University of North Florida
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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

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O. M. Petrukhin

Abbrev:
Petrukhin, O.M.
Other Names:
Address:
D.I. Mendeleev Moscow Chemical Technology Institute, Miusskaya pl 9, Moscow 125820 Russia
Phone:
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Fax:
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Email:

Citations 2

"Segmental Flow Injection With Ion-selective Electrodes For The Determination Of Fluoride In Water"
Anal. Chim. Acta 1993 Volume 274, Issue 1 Pages 125-128
J. A. Borzitsky and A. V. Dvinin, O. M. Petrukhin* and Yu. I. Urusov

Abstract: The design and operation of a flow analyzer. with enhanced sampling frequency, which combined the features of flow injection and continuous-flow analysis, is described. Parameters were optimized to ensure the highest rate of analysis allowed by the bubble-through flow cell, which was equipped with fluoride-selective electrodes. Fluoride was determined in drinking water samples (0.1 ml) with a sampling frequency as high as 720 h-1 and a relative standard deviation of 1%; calibration graphs were rectilinear in the range 20 to 80 µM-fluoride.
Fluoride Water Electrode Segmented flow Optimization

"Bubble-through Flow Cell For Rapid Continuous-flow Analysis With Ion-selective Electrodes"
Anal. Chim. Acta 1992 Volume 258, Issue 1 Pages 135-139
J. A. Borzitsky and A. V. Dvinin, O. M. Petrukhin* and Yu. I. Urusov

Abstract: A fast-response flow cell with ion-selective electrodes was constructed for continuous-flow measurements in air-segmented streams without debubbling. The flow system was optimized for fluoride and chloride determinations. With a flow-rate of 4 mL min-1 a sampling rate of 480 h-1 was achieved for chloride determinations; the average relative standard deviation in all instances was better than 2%.
Electrode Flowcell