Contact Info
Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Email: schalk@unf.edu
Website: @unf
Electrode
Citations 7
"Flow Cell With Flexible Deposition Efficiency For A Dual-detection System Based On Potentiometric Stripping Analysis And Atomic Absorption Spectrometry"
Anal. Chim. Acta
1987 Volume 196, Issue 1 Pages 153-161
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]G. Schulze, M. Koschany and O. ElscholzCode Context?>
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Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. 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Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. 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Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. 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"Rapid Coulometry With A Porous Carbon Felt Electrode Using Iodide Or Ferrocyanide Ion Mediators"
Electroanalysis
1989 Volume 1, Issue 4 Pages 323-326
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]Shunichi Uchiyama*, Shuichi Suzuki, Osamu HamamotoCode Context?>
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The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( 'id' => '008309', 'citation_id' => '009799', 'technique_id' => '0067' ), 'Analyte' => array(), 'Matrix' => array(), 'Keyword' => array() ), 'i' => (int) 1 ) $data = array( 'Technique' => array( 'id' => '0067', 'label' => 'Electrode', 'level1' => 'Electrode', 'level2' => 'carbon', 'level3' => 'felt', 'level4' => '', 'level5' => '', 'synonyms' => '', 'champ' => '', 'total' => '7', 'updated' => '0000-00-00 00:00:00', 'name' => 'Electrode, carbon, felt', 'nametotal' => 'Electrode, carbon, felt**7', 'first' => 'E' ), 'Citation' => array( (int) 0 => array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. 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"Online Elimination Of Electroactive Interferents For Flow-type Electrochemical Biosensor System"
Chem. Lett.
1991 Volume 20, Issue 5 Pages 849-852
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]Yusuke Okawa, Hiroyuki Kobayashi and Takashi OhnoCode Context?>
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Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( 'id' => '011742', 'citation_id' => '011849', 'technique_id' => '0067' ), 'Analyte' => array( (int) 0 => array( [maximum depth reached] ) ), 'Matrix' => array( (int) 0 => array( [maximum depth reached] ) ), 'Keyword' => array( (int) 0 => array( [maximum depth reached] ), (int) 1 => array( [maximum depth reached] ), (int) 2 => array( [maximum depth reached] ) ) ), 'i' => (int) 2 ) $data = array( 'Technique' => array( 'id' => '0067', 'label' => 'Electrode', 'level1' => 'Electrode', 'level2' => 'carbon', 'level3' => 'felt', 'level4' => '', 'level5' => '', 'synonyms' => '', 'champ' => '', 'total' => '7', 'updated' => '0000-00-00 00:00:00', 'name' => 'Electrode, carbon, felt', 'nametotal' => 'Electrode, carbon, felt**7', 'first' => 'E' ), 'Citation' => array( (int) 0 => array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. 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"Mass-transfer Study Of The Carbon Felt Electrode"
Electrochim. Acta
1991 Volume 36, Issue 2 Pages 339-343
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]N. Vatistas, P. F. Marconi and M. BartolozziCode Context?>
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Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. 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Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( 'id' => '012344', 'citation_id' => '012230', 'technique_id' => '0067' ), 'Analyte' => array(), 'Matrix' => array(), 'Keyword' => array() ), 'i' => (int) 3 ) $data = array( 'Technique' => array( 'id' => '0067', 'label' => 'Electrode', 'level1' => 'Electrode', 'level2' => 'carbon', 'level3' => 'felt', 'level4' => '', 'level5' => '', 'synonyms' => '', 'champ' => '', 'total' => '7', 'updated' => '0000-00-00 00:00:00', 'name' => 'Electrode, carbon, felt', 'nametotal' => 'Electrode, carbon, felt**7', 'first' => 'E' ), 'Citation' => array( (int) 0 => array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. 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"Study On A Coulometric Detector Based On A Porous Carbon Felt As A Working Electrode For Flow Injection Analysis And Its Application"
Fenxi Huaxue
1995 Volume 23, Issue 3 Pages 292-296
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]Chen, G.N.Code Context?>
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Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( 'id' => '012643', 'citation_id' => '012441', 'technique_id' => '0067' ), 'Analyte' => array( (int) 0 => array( 'id' => '00311', 'name' => 'Ascorbic acid', 'iupac_name' => '(2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one', 'casrn' => '50-81-7', 'synonyms' => 'Ascorbic Acid; Acid Ascorbic; L-(+)-Ascorbic Acid; Sunkist; Cebid; Cecon; Cevalin; Cemill; Ascorbicap; Vitamin C; L-3-ketothreohexuronic acid; L-ascorbic acid; Xitix; vitamisin; vitascorbol; vicelat; Vicin; vicomin c; viforcit; viscorin; vitace; vitacee; vitacimin; Hicee; hybrin; IDO-C; lemascorb; liqui-cee; Meri-c; natrascorb injectable; 3-oxo-L-gulofuranolactone (enol form); planavit c; redoxon; ribena; roscorbic; scorbacid; scorbu-c; secorbate; testascorbic; cemagyl; ce-mi-lin; cenetone; cereon; cergona; cescorbat; cetamid; cetemican; cevatine; Cevex; cevibid; cevimin; ce-vi-sol; cevital; cevitamin; cevitan; cevitex; Cewin; ciamin; Cipca; citriscorb; c-level; C-Long; colascor; concemin; C-Quin; C-Span; c-vimin; dora-c-500; davitamon c; duoscorb; L-threo-hex-2-enonic acid, γ-lactone; antiscorbic vitamin; antiscorbutic vitamin; cevitamic acid; 3-keto-L-gulofuranolactone; L-3-ketothreohexuronic acid lactone; laroscorbine; L-lyxoascorbic acid; 3-oxo-L-gulofuranolactone; L-xyloascorbic acid; adenex; allercorb; cantan; proscorbin; vitacin; AA; arco-cee; ascoltin; ascorb; ascorbajen; ascorbicab; ascor-b.i.d.; ascorbutina; ascorin; ascorteal; ascorvit; cantaxin; catavin c; cebicure; cebion; cee-caps td; cee-vite; cegiolan; ceglion; celaskon; ce lent; Celin;', 'total' => '147', 'inchi' => 'InChI=1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-8,10-11H,1H2', 'inchikey' => 'CIWBSHSKHKDKBQ-JLAZNSOCSA-N', 'formula' => 'C6H8O6', 'oxstate' => 'Zero', 'url' => '', 'charge' => '0', 'class1' => 'Organic compound', 'class2' => 'NA', 'class3' => 'NA', 'class4' => 'Molecule', 'class5' => 'Vitamins', 'isgroup' => '', 'checked' => 'yes', 'citation_count' => '0', 'updated' => '2015-12-11 16:27:30', 'first' => 'A', 'nametotal' => 'Ascorbic acid**147', 'AnalytesCitation' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '01028', 'name' => 'Gallic acid', 'iupac_name' => '3,4,5-trihydroxybenzoic acid', 'casrn' => '149-91-7', 'synonyms' => 'Gallic acid; 3,4,5-Trihydroxybenzoic acid; Kyselina gallova; Kyselina 3,4,5-trihydroxybenzoova', 'total' => '9', 'inchi' => 'InChI=1S/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12)', 'inchikey' => 'LNTHITQWFMADLM-UHFFFAOYSA-N', 'formula' => 'C7H6O5', 'oxstate' => 'Zero', 'url' => '', 'charge' => '0', 'class1' => 'Organic compound', 'class2' => 'NA', 'class3' => 'NA', 'class4' => 'Molecule', 'class5' => 'Acids', 'isgroup' => '', 'checked' => 'yes', 'citation_count' => '0', 'updated' => '2015-10-23 09:58:37', 'first' => 'G', 'nametotal' => 'Gallic acid**9', 'AnalytesCitation' => array( [maximum depth reached] ) ), (int) 2 => array( 'id' => '01211', 'name' => 'Hydroquinone', 'iupac_name' => 'benzene-1,4-diol', 'casrn' => '123-31-9', 'synonyms' => '1,4-Benzenediol; p-Benzenediol; p-Dihydroxybenzene; p-Dioxybenzene; p-Hydroquinone; p-Hydroxyphenol; Arctuvin; Benzohydroquinone; Benzoquinol; Diak 5; Eldopaque; Eldoquin; Hidroquinone; Hydroquinol; HE 5; Phiaquin; Quinol; Tecquinol; Tenox HQ; 1,4-Dihydroxybenzene; 4-Hydroxyphenol; p-Dioxobenzene; Hydrochinone; ?-hydroquinone; ?-quinol; Artra; Benzene, p-dihydroxy-; Black and White Bleaching Cream; Derma-Blanch; Dihydroxybenzene; Hydrochinon; Hydroquinole; HQ; Idrochinone; Melanex; NCI-C55834; Tequinol; USAF ek-356; 1,4-Dihydroxy-benzeen; 1,4-Dihydroxy-benzol; 1,4-Dihydroxybenzen; 1,4-Diidrobenzene; UN 2662; Dihydroquinone; Aida; component of Artra; Eldopacque; Eldopaque forte; Eldoquin forte; Hydroquinone, 1,4-benzenediol; p-Hydroxybenzene; Solaquin forte; Tecquinol tech. grade; 1,4-Benzenediol (hydroquinone)', 'total' => '8', 'inchi' => 'InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H', 'inchikey' => 'QIGBRXMKCJKVMJ-UHFFFAOYSA-N', 'formula' => ' C6H6O2', 'oxstate' => 'Zero', 'url' => '', 'charge' => '0', 'class1' => 'Organic compound', 'class2' => 'NA', 'class3' => 'NA', 'class4' => 'Molecule', 'class5' => '', 'isgroup' => '', 'checked' => 'yes', 'citation_count' => '0', 'updated' => '2015-10-23 10:00:06', 'first' => 'H', 'nametotal' => 'Hydroquinone**8', 'AnalytesCitation' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '02253', 'name' => 'Sulfur dioxide', 'iupac_name' => 'sulfur dioxide', 'casrn' => '7446-09-5', 'synonyms' => 'Sulfur Dioxide; sulfur dioxide, anhydrous, 99.9%; sulfurous anhydride; Sulfurous oxide; sulfur oxide', 'total' => '49', 'inchi' => 'InChI=1S/O2S/c1-3-2', 'inchikey' => 'RAHZWNYVWXNFOC-UHFFFAOYSA-N', 'formula' => 'O2S', 'oxstate' => 'Zero', 'url' => '', 'charge' => '0', 'class1' => 'Organic compound', 'class2' => 'NA', 'class3' => 'NA', 'class4' => 'Molecule', 'class5' => 'Oxidizing agent', 'isgroup' => '', 'checked' => 'yes', 'citation_count' => '0', 'updated' => '2015-10-23 21:37:45', 'first' => 'S', 'nametotal' => 'Sulfur dioxide**49', 'AnalytesCitation' => array( [maximum depth reached] ) ) ), 'Matrix' => array( (int) 0 => array( 'id' => '0076', 'label' => 'Wine ', 'level1' => 'Beverage', 'level2' => 'alcoholic', 'level3' => 'wine', 'level4' => '', 'level5' => '', 'synonyms' => '', 'total' => '149', 'url' => '', 'updated' => '2015-12-08 19:41:10', 'name' => 'Beverage, alcoholic, wine', 'nametotal' => 'Beverage, alcoholic, wine**149', 'first' => 'B', 'CitationsMatrix' => array( [maximum depth reached] ) ) ), 'Keyword' => array( (int) 0 => array( 'id' => '0258', 'type' => 'Chemometrics', 'keyword' => 'Method comparison', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '1232', 'first' => 'M', 'keytotal' => 'Method comparison**1232', 'CitationsKeyword' => array( [maximum depth reached] ) ) ) ) $i = (int) 4 $path = '' $a = '' $url = 'http://210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112' $aus = 'Chen, G.N.'include - APP/View/Elements/citation.ctp, line 40 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::_renderElement() - CORE/Cake/View/View.php, line 1224 View::element() - CORE/Cake/View/View.php, line 418 include - APP/View/Techniques/view.ctp, line 52 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::render() - CORE/Cake/View/View.php, line 473 Controller::render() - CORE/Cake/Controller/Controller.php, line 968 Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 200 Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167 [main] - APP/webroot/index.php, line 109
"Coulo-amperometric Cell With Spherical Felt Electrode For Flow Injection Analysis"
J. Flow Injection Anal.
1991 Volume 8, Issue 1 Pages 32-41
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]Shunichi Uchiyama* and Osamu MorohoshiCode Context?>
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Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( 'id' => '013952', 'citation_id' => '013460', 'technique_id' => '0067' ), 'Analyte' => array(), 'Matrix' => array(), 'Keyword' => array() ), 'i' => (int) 5 ) $data = array( 'Technique' => array( 'id' => '0067', 'label' => 'Electrode', 'level1' => 'Electrode', 'level2' => 'carbon', 'level3' => 'felt', 'level4' => '', 'level5' => '', 'synonyms' => '', 'champ' => '', 'total' => '7', 'updated' => '0000-00-00 00:00:00', 'name' => 'Electrode, carbon, felt', 'nametotal' => 'Electrode, carbon, felt**7', 'first' => 'E' ), 'Citation' => array( (int) 0 => array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. 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"Flow Injection Methods Using Porous Electrode Materials"
J. Flow Injection Anal.
1998 Volume 15, Issue 2 Pages 190-196
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]Uchiyama, S.Code Context?>
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Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( 'id' => '014060', 'citation_id' => '013591', 'technique_id' => '0067' ), 'Analyte' => array(), 'Matrix' => array(), 'Keyword' => array( (int) 0 => array( [maximum depth reached] ) ) ), 'i' => (int) 6 ) $data = array( 'Technique' => array( 'id' => '0067', 'label' => 'Electrode', 'level1' => 'Electrode', 'level2' => 'carbon', 'level3' => 'felt', 'level4' => '', 'level5' => '', 'synonyms' => '', 'champ' => '', 'total' => '7', 'updated' => '0000-00-00 00:00:00', 'name' => 'Electrode, carbon, felt', 'nametotal' => 'Electrode, carbon, felt**7', 'first' => 'E' ), 'Citation' => array( (int) 0 => array( 'id' => '005000', 'authors' => 'Schulze, G.;Koschany, M.;Elsholz, O.', 'authorsweb' => 'G. Schulze, M. Koschany and O. Elscholz', 'title' => 'Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', 'journal' => 'Anal. Chim. Acta', 'journal_id' => '0584', 'fadid' => 'ANCA1987V0196P00153', 'year' => '1987', 'volume' => '196', 'issue' => '1', 'startpage' => '153', 'endpage' => '161', 'type' => 'Journal Article', 'analytes' => ';1359;', 'matrices' => ';1069;', 'techniques' => ';0067;0226;0398;0461;', 'keywords' => ';0119;0167;0279;', 'abstract' => 'The cited flow cell is described in detail. The flow pattern, measurement of dispersion and deposition efficiency are discussed. Two types of dual detection are possible. If the sample concentration. is lower than the detection limit of flame AAS, a porous carbon felt electrode is inserted into the cell to collect the analyte ions for both potentiometric stripping analysis and pre-concentration. for AAS. If the concentration. of the sample is suitable for flame AAS, a vitreous-carbon electrode is used and two independent signals are obtained. The deposition efficiency can be altered from 1 or 2% (vitreous carbon) to 24% (carbon felt). In the determination of Pb in drinking water, pre-concentration. on carbon felt increased the sensitivity for flame AAS by one order of magnitude. This enabled determination of Pb in the µg L-1 range by flame AAS. A 1.5 mL injection required an electrolysis time of 60 s.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '5', 'urlcheck' => '2014-10-11 15:52:13', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '01283', 'pauthor' => '!Schulze, G.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/S0003-2670(00)83080-9', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow cell with flexible deposition efficiency for a dual-detection system based on potentiometric stripping analysis and atomic absorption spectrometry', Anal. Chim. Acta, 1987 196(1) 153-161', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '009799', 'authors' => 'Uchiyama, S.;Suzuki, S.;Hamamoto, O.', 'authorsweb' => 'Shunichi Uchiyama*, Shuichi Suzuki, Osamu Hamamoto', 'title' => 'Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', 'journal' => 'Electroanalysis', 'journal_id' => '1003', 'fadid' => 'ELAN1989V0001P00323', 'year' => '1989', 'volume' => '1', 'issue' => '4', 'startpage' => '323', 'endpage' => '326', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0050;0076;0067;', 'keywords' => '', 'abstract' => 'The oxidizing agents of iodide and ferrocyanide ions, such as 1,4-benzoquinone and the iodate ion have been determined by rapid (9-25 seconds) coulometry. The electrolytic solution is confined to the pores of the carbon felt electrode and the sample is added to the carbon felt surface, which is maintained at a fixed potential. Current efficiencies approached 100% for sample concentrations ranging from 1 x 10^-5 to 1 x 10^-1 M with relative standard deviation of 0.6-2.2%. The determination of residual chlorine in drinking water has been carried out using the same coulometric cell, and the results obtained by the present method are in good agreement with those obtained by the orthotolidine method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '3', 'urlcheck' => '2014-10-11 14:07:14', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1002/elan.1140010407', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Rapid coulometry with a porous carbon felt electrode using iodide or ferrocyanide ion mediators', Electroanalysis, 1989 1(4) 323-326', 'firstchar' => 'R', 'twochars' => 'Ra', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 2 => array( 'id' => '011849', 'authors' => 'Okawa, Y.;Kobayashi, H.;Ohno, T.', 'authorsweb' => 'Yusuke Okawa, Hiroyuki Kobayashi and Takashi Ohno', 'title' => 'Online elimination of electroactive interferents for flow-type electrochemical biosensor system', 'journal' => 'Chem. Lett.', 'journal_id' => '0541', 'fadid' => 'CHLT1991V0020P00849', 'year' => '1991', 'volume' => '20', 'issue' => '5', 'startpage' => '849', 'endpage' => '852', 'type' => 'Journal Article', 'analytes' => ';1057;', 'matrices' => ';0086;', 'techniques' => ';0067;0202;0431;', 'keywords' => ';0054;0217;0284;', 'abstract' => 'A flow-through electrolytic cell containing a C felt working electrode separated from a Pt wire counter electrode by a Nafion membrane was combined with a glucose oxidase monolayer electrode in a flow injection analysis system (diagram given). The system was evaluated for the elimination of L-ascorbic acid (I) interferent in the determination of D-glucose. The elimination efficiency for I, as well as the biosensor response, were considerably increased by the addition of 0.1 M K3Fe(CN)6 to the carrier stream of 0.067 M-phosphate buffer (pH 6.4). Down to 1 mM glucose could be detected. The system was applied in the determination of glucose content in soft drinks; results agreed well with those of an enzyme-based colorimetric method.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-07-18 09:16:13', 'hits' => '6', 'urlcheck' => '2014-10-12 02:17:45', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'Ohno, T.', 'address' => 'Department of Image Science, Faculty of Engineering, Chiba University, Japan', 'email' => 'NA', 'notes' => null, 'url' => '10.1246/cl.1991.849', 'urltype' => 'doi', 'gotpdf' => 'no', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Online elimination of electroactive interferents for flow-type electrochemical biosensor system', Chem. Lett., 1991 20(5) 849-852', 'firstchar' => 'O', 'twochars' => 'On', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '012230', 'authors' => 'Vatistas, N.;Marconi, P.F.;Bartolozzi, M.', 'authorsweb' => 'N. Vatistas, P. F. Marconi and M. Bartolozzi', 'title' => 'Mass-transfer study of the carbon felt electrode', 'journal' => 'Electrochim. Acta', 'journal_id' => '0682', 'fadid' => 'ELAC1991V0036P00339', 'year' => '1991', 'volume' => '36', 'issue' => '2', 'startpage' => '339', 'endpage' => '343', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0206;', 'keywords' => '', 'abstract' => 'Mass-transfer coefficients have been obtained for a flow-through carbon felt electrode using the limiting-current technique and assuming plug-flow conditions for the range: 25<Pe<1700. For low Peclet numbers (Pe<100), it has been that slight errors in measuring the limiting-currents lead to larger ones in the calculation of the mass-transfer coefficients. ', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-12 02:18:08', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Dipartimento di Ingegneria Chimica, Chimica Industriale e Scienza dei Materiali, Università di Pisa, Via Diotisalvi, 2-56100 Pisa, Italy', 'email' => 'NA', 'notes' => null, 'url' => '10.1016/0013-4686(91)85259-A', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Mass-transfer study of the carbon felt electrode', Electrochim. Acta, 1991 36(2) 339-343', 'firstchar' => 'M', 'twochars' => 'Ma', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 4 => array( 'id' => '012441', 'authors' => 'Chen, G.N.', 'authorsweb' => 'NA', 'title' => 'Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1995V0023P00292', 'year' => '1995', 'volume' => '23', 'issue' => '3', 'startpage' => '292', 'endpage' => '296', 'type' => 'Journal Article', 'analytes' => ';0311;1028;1211;2253;', 'matrices' => ';0076;', 'techniques' => ';0050;0067;', 'keywords' => ';0258;', 'abstract' => 'Construction of the cited detector and its incorporation into a flow injection analyzer. is described. Ascorbic acid, hydroquinone, gallic acid and SO2 were used as model analytes; the detection limits were 20, 10 and 30 nM, and 8 µM, respectively. Other properties were also investigated (e.g., linear range, selectivity). The detector was used to replace the 'clean-up' cell in the dual-detector flow injection analysis system for the determination of SO2 in wine; optimum conditions were 1 mM H2SO4 as carrier (0.4 ml/min) and a detector working potential at 0.41 V vs. an ion-couple electrode. The results were compared with those obtained by the aspiration-oxidation method.', 'language' => 'Chinese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 14:52:15', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00082', 'pauthor' => '!Chen, G.N.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '210.14.121.5:8080/fxhx/homeAction!downloadArticleFile.action?attachType=PDF&id=1112', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Study on a coulometric detector based on a porous carbon felt as a working electrode for flow injection analysis and its application', Fenxi Huaxue, 1995 23(3) 292-296', 'firstchar' => 'S', 'twochars' => 'St', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '013460', 'authors' => 'Uchiyama, S.;Morohoshi, O.', 'authorsweb' => 'Shunichi Uchiyama* and Osamu Morohoshi', 'title' => 'Coulo-amperometric cell with spherical felt electrode for flow injection analysis', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1991V0008P00032', 'year' => '1991', 'volume' => '8', 'issue' => '1', 'startpage' => '32', 'endpage' => '41', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0001;0050;0067;0272;', 'keywords' => '', 'abstract' => 'A coulo-amperometric cell, comprising a working carbon felt electrode, a Pt net for electrical content, an ion-exchange membrane, a Pt lead and a counter carbon felt electrode, is described. The cell was used in the determination of 0.5 to 1 mM Fe(CN)63- and -Fe(CN)64-, and 0.1 to 1 mM ephedrine.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 13:36:23', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/8_1/JFIA1991V0008P00032.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Coulo-amperometric cell with spherical felt electrode for flow injection analysis', J. Flow Injection Anal., 1991 8(1) 32-41', 'firstchar' => 'C', 'twochars' => 'Co', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array([maximum depth reached]) ), (int) 6 => array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array([maximum depth reached]), 'Matrix' => array([maximum depth reached]), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '013591', 'authors' => 'Uchiyama, S.', 'authorsweb' => 'NA', 'title' => 'Flow injection methods using porous electrode materials', 'journal' => 'J. Flow Injection Anal.', 'journal_id' => '0776', 'fadid' => 'JFIA1998V0015P00190', 'year' => '1998', 'volume' => '15', 'issue' => '2', 'startpage' => '190', 'endpage' => '196', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0067;0112;0092;0094;', 'keywords' => ';0389;', 'abstract' => 'A review with 45 references. The porous materials, such as carbon felt or graphite carbon, are excellent electrode materials which can also be used as enzyme reactors. The useful feature of porous materials is that carrier or sample solution can flow through the electrode which makes the electrode efficiency extremely high. A number of porous materials have been utilized as electrode for detectors in flow injection systems. This report summarizes the recent development of flow-through electrode reactor in flow injection methods.', 'language' => 'Japanese', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'No', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '0', 'urlcheck' => '2014-10-13 15:15:18', 'urlcheckcode' => 'HTTP/1.1 200 OK', 'pauthor_id' => '00325', 'pauthor' => '!Uchiyama, S.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => 'aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf', 'urltype' => 'pdfurl', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Flow injection methods using porous electrode materials', J. Flow Injection Anal., 1998 15(2) 190-196', 'firstchar' => 'F', 'twochars' => 'Fl', 'CitationsTechnique' => array( 'id' => '014060', 'citation_id' => '013591', 'technique_id' => '0067' ), 'Analyte' => array(), 'Matrix' => array(), 'Keyword' => array( (int) 0 => array( 'id' => '0389', 'type' => 'Application', 'keyword' => 'Review', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '897', 'first' => 'R', 'keytotal' => 'Review**897', 'CitationsKeyword' => array( [maximum depth reached] ) ) ) ) $i = (int) 6 $path = '' $a = '' $url = 'http://aitech.ac.jp/~jafia/english/jfia/contents/15_2/JFIA1998V0015P00190.pdf' $aus = 'Uchiyama, S.'include - APP/View/Elements/citation.ctp, line 40 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::_renderElement() - CORE/Cake/View/View.php, line 1224 View::element() - CORE/Cake/View/View.php, line 418 include - APP/View/Techniques/view.ctp, line 52 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::render() - CORE/Cake/View/View.php, line 473 Controller::render() - CORE/Cake/Controller/Controller.php, line 968 Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 200 Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167 [main] - APP/webroot/index.php, line 109