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 language | English |
|---|---|
| Pages (from-to) | 1033-1041 |
| Number of pages | 9 |
| Journal | Collection of Czechoslovak Chemical Communications |
| Volume | 76 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 22 Aug 2011 |
| Externally published | Yes |
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)
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Zima, J., Tinková, V., Wang, J., & Barek, J. (2011). Voltammetric determination of 1,2-diaminoanthraquinone using carbon paste electrode. Collection of Czechoslovak Chemical Communications, 76(8), 1033-1041. https://doi.org/10.1135/cccc2011068