Voltammetric determination of benzidine and its derivatives, at a glassy-carbon electrode

Jiří Barek, Antonín Berka, Zuzana Tocksteinová, Jiří Zima

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Conditions have been found for the determination of benzidine, o-tolidine, o-dianisidine, 3,3'-diaminobenzidine and 3,3'-dichlorobenzidine by classical and differential pulse voltammetry at a glassy-carbon stationary or rotating electrode, in the concentration range 10-5-10-3M. The mechanism of the oxidation is discussed and applications are presented for the determination of these chemical carcinogens and their mixtures either directly, or after preliminary separation by extraction or thin-layer chromatography.

Original languageEnglish
Pages (from-to)811-815
Number of pages5
JournalTalanta
Volume33
Issue number10
DOIs
Publication statusPublished - 1 Jan 1986
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry

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