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
Fluorescence
Citations 4
"Hyphenated Techniques Combined With Atomic Spectrometry For Environmental Studies"
Microchem. J.
1995 Volume 51, Issue 1-2 Pages 88-98
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Cerdà', 'title' => 'Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', 'journal' => 'Talanta', 'journal_id' => '0569', 'fadid' => 'TALT2004V0064P01335', 'year' => '2004', 'volume' => '64', 'issue' => '5', 'startpage' => '1335', 'endpage' => '1342', 'type' => 'Journal Article', 'analytes' => ';0291;', 'matrices' => ';1117;0992;1131;', 'techniques' => ';0256;', 'keywords' => ';0349;0428;0036;0530;0401;0302;', 'abstract' => 'A new multisyringe flow injection system for inorganic arsenic determination at trace levels by hydride generation-atomic fluorescence spectrometry (HGAFS) is presented. Preconcentration on a solid-phase was carried out using a column packed with an anion-exchange resin (Amberlite IRA-410). The reagents are dispensed to the system using a multisyringe burette coupled with two multi-port selection valves. Different parameters were changing in order to make the system as effective as possible. An analytical curve was obtained for arsenic determination between 50 and 2000 ng l-1. This new approach improved five times the sensitivity over a MSFIA-HGAFS technique developed previously by the authors. Detection limit of the proposed technique was (3sb/S) of 30 ng l-1. The relative standard deviation (RSD) of As at 1 µg L-1 was 4.8% (n=7). A sample throughput of 10 h-1 has been achieved. 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"Preconcentration Of Zinc In Seawater On Carboxymethylated Polyethylenimine Polymethylenepolyphenylene Isocyanate Resin By Flow Injection Analysis And Online Detection Using Inductively Coupled Plasma Atomic-fluorescence Spectrometry"
Fenxi Huaxue
1992 Volume 20, Issue 2 Pages 162-164
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Kaya, T. M. Durrani, S. Greenfield, J. F. Tyson', 'title' => 'Preconcentration of refractory elements for inductively coupled plasma atomic fluorescence spectrometry', 'journal' => 'NATO Sci. Ser.', 'journal_id' => '1330', 'fadid' => 'NASI1990VG023P00241', 'year' => '1990', 'volume' => '23', 'issue' => '1', 'startpage' => '241', 'endpage' => '252', 'type' => 'Journal Article', 'analytes' => '', 'matrices' => '', 'techniques' => ';0256;', 'keywords' => ';0349;0436;', 'abstract' => 'Modern civilisation is now dependent on the large-scale use of a wide range of metals and most of these are naturally present only at trace levels in the biosphere and in biological material. The ability to analyze for trace elements is a pre-requisite for metal speciation studies. 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Cerdà', 'title' => 'Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', 'journal' => 'Talanta', 'journal_id' => '0569', 'fadid' => 'TALT2004V0064P01335', 'year' => '2004', 'volume' => '64', 'issue' => '5', 'startpage' => '1335', 'endpage' => '1342', 'type' => 'Journal Article', 'analytes' => ';0291;', 'matrices' => ';1117;0992;1131;', 'techniques' => ';0256;', 'keywords' => ';0349;0428;0036;0530;0401;0302;', 'abstract' => 'A new multisyringe flow injection system for inorganic arsenic determination at trace levels by hydride generation-atomic fluorescence spectrometry (HGAFS) is presented. Preconcentration on a solid-phase was carried out using a column packed with an anion-exchange resin (Amberlite IRA-410). The reagents are dispensed to the system using a multisyringe burette coupled with two multi-port selection valves. 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The proposed method has been applied to different reference solid and water materials with satisfactory results.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-05-31 02:25:03', 'hits' => '36', 'urlcheck' => '2014-10-11 15:24:15', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00077', 'pauthor' => '!Cerda, V.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/j.talanta.2004.03.069', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', Talanta, 2004 64(5) 1335-1342', 'firstchar' => 'P', 'twochars' => 'Pr', 'CitationsTechnique' => array( [maximum depth reached] ), 'Analyte' => array( [maximum depth reached] ), 'Matrix' => array( [maximum depth reached] ), 'Keyword' => array( [maximum depth reached] ) ) ) ) $c = array( 'id' => '012389', 'authors' => 'Yuan, D.;Wang, X.R.;Yang, P.Y.;Huang, B.', 'authorsweb' => 'NA', 'title' => 'Preconcentration of zinc in seawater on carboxymethylated polyethylenimine polymethylenepolyphenylene isocyanate resin by flow injection analysis and online detection using inductively coupled plasma atomic-fluorescence spectrometry', 'journal' => 'Fenxi Huaxue', 'journal_id' => '1033', 'fadid' => 'FXHX1992V0020P00162', 'year' => '1992', 'volume' => '20', 'issue' => '2', 'startpage' => '162', 'endpage' => '164', 'type' => 'Journal Article', 'analytes' => ';2529;', 'matrices' => ';0397;', 'techniques' => ';0256;', 'keywords' => ';0385;0349;0217;', 'abstract' => 'Filtered seawater was injected into a column (1 x 0.3 cm) of carboxymethylated polyethylenimine polymethylenepolyphenyline isocyanate resin installed in a flow injection analyzer. for pre-concentration with 0.1 M ammonium acetate of pH 7 for 100 s, with elution with 1 M HNO3 (streams at 2 mL min-1). 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"Preconcentration Of Refractory Elements For Inductively Coupled Plasma Atomic Fluorescence Spectrometry"
NATO Sci. Ser.
1990 Volume 23, Issue 1 Pages 241-252
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]S. Kaya, T. M. Durrani, S. Greenfield, J. F. TysonCode Context?>
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"Preconcentration And Determination Of Inorganic Arsenic Using A Multisyringe Flow Injection System And Hydride Generation-atomic Fluorescence Spectrometry"
Talanta
2004 Volume 64, Issue 5 Pages 1335-1342
Notice (8): Undefined variable: uid [APP/View/Elements/citation.ctp, line 40]L. O. Leal, N. V. Semenova, R. Forteza and V. CerdàCode Context?>
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Cerdà', 'title' => 'Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', 'journal' => 'Talanta', 'journal_id' => '0569', 'fadid' => 'TALT2004V0064P01335', 'year' => '2004', 'volume' => '64', 'issue' => '5', 'startpage' => '1335', 'endpage' => '1342', 'type' => 'Journal Article', 'analytes' => ';0291;', 'matrices' => ';1117;0992;1131;', 'techniques' => ';0256;', 'keywords' => ';0349;0428;0036;0530;0401;0302;', 'abstract' => 'A new multisyringe flow injection system for inorganic arsenic determination at trace levels by hydride generation-atomic fluorescence spectrometry (HGAFS) is presented. Preconcentration on a solid-phase was carried out using a column packed with an anion-exchange resin (Amberlite IRA-410). The reagents are dispensed to the system using a multisyringe burette coupled with two multi-port selection valves. 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O., Zhuang Z. X., Yang P. Y. and Huang B. L.', 'title' => 'Hyphenated techniques combined with atomic spectrometry for environmental studies', 'journal' => 'Microchem. J.', 'journal_id' => '0639', 'fadid' => 'MCHJ1995V0051P00088', 'year' => '1995', 'volume' => '51', 'issue' => '1-2', 'startpage' => '88', 'endpage' => '98', 'type' => 'Journal Article', 'analytes' => ';1471;1466;', 'matrices' => ';0852;0882;0394;0397;', 'techniques' => ';0038;0256;0455;0461;0465;0481;0484;0417;', 'keywords' => ';0389;0097;0434;0520;0436;0475;0520;', 'abstract' => 'The development and application of hyphenated techniques combined with atomic spectrometries for environmental analysis at Xiamen University, China, are described. The techniques include: flow injection online microcolumns combined with AAS, GFAAS, ICP AFS and ICP-AES for trace and ultratrace analysis of water; flow injection online solvent extraction combined with AAS and ICP-AES; flow injection online hydride generation for the elemental analysis of Chinese herbs and rain by AAS and ICP-AES; flow injection online coprecipitation-dissolution for the determination of trace heavy metals in seawater and rain by GFAAS and ICP-AES; and HPLC combined with ICP-AES for multielement speciation analysis of Chinese tea.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '0000-00-00 00:00:00', 'hits' => '40', 'urlcheck' => '2014-10-12 09:22:10', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => null, 'pauthor' => 'NA', 'address' => 'Xiamen Univ., Dept. Chem., Res. Center Environ. Sci., Xiamen 361005 China', 'email' => 'NA', 'notes' => null, 'url' => '10.1006/mchj.1995.1012', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Hyphenated techniques combined with atomic spectrometry for environmental studies', Microchem. 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O. Leal, N. V. Semenova, R. Forteza and V. Cerdà', 'title' => 'Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', 'journal' => 'Talanta', 'journal_id' => '0569', 'fadid' => 'TALT2004V0064P01335', 'year' => '2004', 'volume' => '64', 'issue' => '5', 'startpage' => '1335', 'endpage' => '1342', 'type' => 'Journal Article', 'analytes' => ';0291;', 'matrices' => ';1117;0992;1131;', 'techniques' => ';0256;', 'keywords' => ';0349;0428;0036;0530;0401;0302;', 'abstract' => 'A new multisyringe flow injection system for inorganic arsenic determination at trace levels by hydride generation-atomic fluorescence spectrometry (HGAFS) is presented. Preconcentration on a solid-phase was carried out using a column packed with an anion-exchange resin (Amberlite IRA-410). The reagents are dispensed to the system using a multisyringe burette coupled with two multi-port selection valves. Different parameters were changing in order to make the system as effective as possible. An analytical curve was obtained for arsenic determination between 50 and 2000 ng l-1. This new approach improved five times the sensitivity over a MSFIA-HGAFS technique developed previously by the authors. Detection limit of the proposed technique was (3sb/S) of 30 ng l-1. The relative standard deviation (RSD) of As at 1 µg L-1 was 4.8% (n=7). A sample throughput of 10 h-1 has been achieved. The proposed method has been applied to different reference solid and water materials with satisfactory results.', 'language' => 'English', 'updated' => '2020-12-28 11:25:15', 'sjccheck' => 'Yes', 'sjccheckdate' => '2006-05-31 02:25:03', 'hits' => '36', 'urlcheck' => '2014-10-11 15:24:15', 'urlcheckcode' => 'HTTP/1.1 302 Found', 'pauthor_id' => '00077', 'pauthor' => '!Cerda, V.', 'address' => 'pau', 'email' => 'pau', 'notes' => null, 'url' => '10.1016/j.talanta.2004.03.069', 'urltype' => 'doi', 'gotpdf' => 'yes', 'partial' => 'no', 'notanalyte' => '', 'citation' => ''Preconcentration and determination of inorganic arsenic using a multisyringe flow injection system and hydride generation-atomic fluorescence spectrometry', Talanta, 2004 64(5) 1335-1342', 'firstchar' => 'P', 'twochars' => 'Pr', 'CitationsTechnique' => array( 'id' => '015706', 'citation_id' => '015365', 'technique_id' => '0256' ), 'Analyte' => array( (int) 0 => array( 'id' => '00291', 'name' => 'Arsenic, inorganic', 'iupac_name' => 'arsenic', 'casrn' => '7440-38-2', 'synonyms' => 'Arsenic; Arsenic, Inorganic ; Colloidal arsenic; Fowler\'s solution; Grey arsenic', 'total' => '8', 'inchi' => 'InChI=1S/As', 'inchikey' => 'RQNWIZPPADIBDY-UHFFFAOYSA-N', 'formula' => 'As', 'oxstate' => 'Zero', 'url' => '', 'charge' => '0', 'class1' => 'Element', 'class2' => 'Metalloid', 'class3' => 'NA', 'class4' => 'Atom', 'class5' => '', 'isgroup' => '', 'checked' => 'yes', 'citation_count' => '0', 'updated' => '2015-10-23 09:52:28', 'first' => 'A', 'nametotal' => 'Arsenic, inorganic**8', 'AnalytesCitation' => array( [maximum depth reached] ) ) ), 'Matrix' => array( (int) 0 => array( 'id' => '1117', 'label' => 'NRCC DOLT-1', 'level1' => 'Reference Material', 'level2' => 'NRCC', 'level3' => 'DOLT-1', 'level4' => 'Dogfish liver', 'level5' => '', 'synonyms' => '', 'total' => '2', 'url' => '', 'updated' => '2015-12-09 21:07:40', 'name' => 'Reference Material, NRCC, DOLT-1, Dogfish liver', 'nametotal' => 'Reference Material, NRCC, DOLT-1, Dogfish liver**2', 'first' => 'R', 'CitationsMatrix' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '0992', 'label' => 'NRCC DORM-1', 'level1' => 'Reference Material', 'level2' => 'NRCC', 'level3' => 'DORM-1', 'level4' => 'Dogfish muscle', 'level5' => '', 'synonyms' => '', 'total' => '4', 'url' => '', 'updated' => '2015-12-09 21:07:40', 'name' => 'Reference Material, NRCC, DORM-1, Dogfish muscle', 'nametotal' => 'Reference Material, NRCC, DORM-1, Dogfish muscle**4', 'first' => 'R', 'CitationsMatrix' => array( [maximum depth reached] ) ), (int) 2 => array( 'id' => '1131', 'label' => 'LGC 6010', 'level1' => 'Reference Material', 'level2' => 'LGC', 'level3' => '6010', 'level4' => 'Hard drinking water', 'level5' => '', 'synonyms' => 'Water, drinking;tap water;tapwater', 'total' => '4', 'url' => 'www-naweb.iaea.org/nahu/nmrm/nmrm2003/material/lgc6010.htm', 'updated' => '2015-12-09 21:07:40', 'name' => 'Reference Material, LGC, 6010, Hard drinking water', 'nametotal' => 'Reference Material, LGC, 6010, Hard drinking water**4', 'first' => 'R', 'CitationsMatrix' => array( [maximum depth reached] ) ) ), 'Keyword' => array( (int) 0 => array( 'id' => '0349', 'type' => 'Manifold process', 'keyword' => 'Preconcentration', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '773', 'first' => 'P', 'keytotal' => 'Preconcentration**773', 'CitationsKeyword' => array( [maximum depth reached] ) ), (int) 1 => array( 'id' => '0428', 'type' => 'Manifold process', 'keyword' => 'Solid phase extraction', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '100', 'first' => 'S', 'keytotal' => 'Solid phase extraction**100', 'CitationsKeyword' => array( [maximum depth reached] ) ), (int) 2 => array( 'id' => '0036', 'type' => 'Resin', 'keyword' => 'Amberlite', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '78', 'first' => 'A', 'keytotal' => 'Amberlite**78', 'CitationsKeyword' => array( [maximum depth reached] ) ), (int) 3 => array( 'id' => '0530', 'type' => 'Manifold component', 'keyword' => 'Multisyringe', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '31', 'first' => 'M', 'keytotal' => 'Multisyringe**31', 'CitationsKeyword' => array( [maximum depth reached] ) ), (int) 4 => array( 'id' => '0401', 'type' => 'Feature', 'keyword' => 'Sensitivity', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '190', 'first' => 'S', 'keytotal' => 'Sensitivity**190', 'CitationsKeyword' => array( [maximum depth reached] ) ), (int) 5 => array( 'id' => '0302', 'type' => 'Feature', 'keyword' => 'Optimization', 'newKeyword' => '', 'synonyms' => '', 'fao' => '', 'total' => '1069', 'first' => 'O', 'keytotal' => 'Optimization**1069', 'CitationsKeyword' => array( [maximum depth reached] ) ) ) ) $i = (int) 3 $path = '' $a = '' $url = 'http://dx.doi.org/10.1016/j.talanta.2004.03.069' $aus = 'L. 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