Voltammetric determination of carcinogenic nitrobiphenyls at a hanging mercury drop electrode

Radek Štěpán, Jiří Barek, Viktor Mejstřík, Jiří Zima

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Differential pulse voltammetry (DPV) and adsorptive stripping voltammetry (AdSV) at a hanging mercury drop electrode (HMDE) was used for the determination of trace amounts of carcinogenic nitrobiphenyls, namely 2-nitrobiphenyl (2-NBP), 3-nitrobiphenyl (3-NBP) and 4-nitrobiphenyl (4-NBP) within the concentration range from 2.10-8 to 1.10-5 mol·L-1 for DPV and from 2.10-9 to 1.10 -7 mol·L-1 for AdSV using a Britton-Robinson buffer - methanol (1:1) mixture with resulting pH 12 as a base electrolyte. The practical applicability of newly developed methods was verified using model samples of drinking and river water and liquid-liquid extraction for a preliminary separation and preconcentration.

Original languageEnglish
Pages (from-to)43-60
Number of pages18
JournalSensors
Volume3
Issue number3
Publication statusPublished - 1 Dec 2003
Externally publishedYes

Fingerprint

Liquid-Liquid Extraction
Voltammetry
stripping
Mercury
Rivers
Drinking Water
Electrolytes
Methanol
Buffers
Electrodes
drinking
electrodes
liquids
pulses
rivers
methyl alcohol
buffers
electrolytes
Liquids
water

Keywords

  • 2-nitrobiphenyl
  • 3-nitrobiphenyl
  • 4-nitrobiphenyl
  • Adsorptive stripping voltammetry
  • Differential pulse voltammetry
  • Hanging mercury drop electrode

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry

Cite this

Voltammetric determination of carcinogenic nitrobiphenyls at a hanging mercury drop electrode. / Štěpán, Radek; Barek, Jiří; Mejstřík, Viktor; Zima, Jiří.

In: Sensors, Vol. 3, No. 3, 01.12.2003, p. 43-60.

Research output: Contribution to journalArticle

Štěpán, R, Barek, J, Mejstřík, V & Zima, J 2003, 'Voltammetric determination of carcinogenic nitrobiphenyls at a hanging mercury drop electrode', Sensors, vol. 3, no. 3, pp. 43-60.
Štěpán, Radek ; Barek, Jiří ; Mejstřík, Viktor ; Zima, Jiří. / Voltammetric determination of carcinogenic nitrobiphenyls at a hanging mercury drop electrode. In: Sensors. 2003 ; Vol. 3, No. 3. pp. 43-60.
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