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

V. I. Deryabina, G. B. Slepchenko, Fam Kam N'Ung, Ho Shi Lin'

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

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 N2H4 · H 2SO4 (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.

Original languageEnglish
Pages (from-to)896-899
Number of pages4
JournalJournal of Analytical Chemistry
Volume68
Issue number10
DOIs
Publication statusPublished - Oct 2013

Keywords

  • aryl diazonium salts
  • drinking water
  • iodine
  • mineral water
  • organo-modified electrode
  • selenium
  • tap water
  • voltammetry

ASJC Scopus subject areas

  • Analytical Chemistry

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