Electrochemical determination of trace amounts of environmentally important dyes

J. Zima, J. Barek, J. C. Moreira, V. Mejstřík, A. G. Fogg

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


A number of dyes exhibit genotoxic or ecotoxic properties leading to the need for sensitive and selective methods for their determination. Because of the easy reducibility of dyes, modern polarographic and voltammetric methods (differential pulse polarography on classical dropping mercury electrode, differential pulse voltammetry on hanging mercury drop electrode or adsorptive stripping voltammetry) are suitable for the determination of trace amounts of these substances in the general environment in the vicinity of production plants. The scope and limitations of these methods is reviewed and optimum conditions for recently developed methods are summarized. It is shown that the sensitivity of newly developed polarographic and voltammetric methods is sufficient even for the most demanding applications and their selectivity can be increased by their combination with preliminary separation using thin layer chromatography or liquid extraction.

Original languageEnglish
Pages (from-to)567-570
Number of pages4
JournalAnalytical and Bioanalytical Chemistry
Issue number7-8
Publication statusPublished - 1 Dec 2001
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry

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