Voltammetric determination of 1,2-diaminoanthraquinone using carbon paste electrode

Jiří Zima, Veronika Tinková, Joseph Wang, Jiří Barek

Research output: Contribution to journalArticle

Abstract

Direct current (DC) voltammetry and differential pulse (DP) voltammetry using a carbon paste electrode (CPE) have been used for the determination of trace amounts of ecotoxic 1,2-diaminoanthraquinone (DAAQ). The limit of determination (LD) of DAAQ for DC voltammetry was 2 × 10 -6 mol l-1, and for DP voltammetry 2 × 10 -7 mol l-1 under the optimized conditions in a mixed Britton-Robinson buffer pH 12 and methanol (1:9) medium. Adsorptive accummulation of the analyte on the surface of CPE decreased the limit of determination to 2 × 10-8 mol l-1 for DP voltammetry. Practical applicability of these newly developed methods was verified on model samples of river water.

Original languageEnglish
Pages (from-to)1033-1041
Number of pages9
JournalCollection of Czechoslovak Chemical Communications
Volume76
Issue number8
DOIs
Publication statusPublished - 22 Aug 2011
Externally publishedYes

Fingerprint

Voltammetry
Ointments
Carbon
Electrodes
Methanol
Buffers
Rivers
1,2-diaminoanthraquinone
Water

Keywords

  • 1,2-diaminoanthraquinone
  • Adsorptive stripping voltammetry
  • Analytical methods
  • Carbon paste electrode
  • Differential pulse voltammetry
  • Direct current voltammetry
  • Electrochemistry
  • Voltammetry

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Voltammetric determination of 1,2-diaminoanthraquinone using carbon paste electrode. / Zima, Jiří; Tinková, Veronika; Wang, Joseph; Barek, Jiří.

In: Collection of Czechoslovak Chemical Communications, Vol. 76, No. 8, 22.08.2011, p. 1033-1041.

Research output: Contribution to journalArticle

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