Voltammetry behavior of iodine and selenium on new organo-modified electrodes: Development of a procedure for the determination of iodine and selenium

The voltammetry behavior of iodine and selenium has been studied on new organo-modified electrodes. The conditions have been proposed for the measurement of the analytical signals of iodide and selenium ions on a silver electrode modified by aryl diazonium tosylates containing an amino group in the...

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Bibliographic Details
Published in:Journal of analytical chemistry (New York, N.Y.) N.Y.), 2013-10, Vol.68 (10), p.896-899
Main Authors: Deryabina, V. I., Slepchenko, G. B., N’ung, Fam Kam, Lin’, Ho Shi
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemical properties
Chemistry
Chemistry and Materials Science
Composition
Electrodes
Identification and classification
Iodine
Methods
Selenium
Voltammetry
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Summary:The voltammetry behavior of iodine and selenium has been studied on new organo-modified electrodes. The conditions have been proposed for the measurement of the analytical signals of iodide and selenium ions on a silver electrode modified by aryl diazonium tosylates containing an amino group in the presence of a 0.1 M solution of N 2 H 4 · H 2 SO 4 (pH 2–3) without oxygen removal. A new approach and a procedure have been developed for the simultaneous determination of iodine and selenium in tap, drinking, and mineral waters using the organo-modified electrode. The analytical range is from 0.003 to 1.5 mg/L for iodide ions and from 0.003 to 2.0 mg/L for selenite ions.
ISSN:1061-9348
1608-3199
DOI:10.1134/S1061934813100043