The simultaneous voltammetry determination of cadmium(II) and lead(II) at bismuth film glassy carbon electode prepared with the use of mediator

Katarzyna Domańska, Katarzyna Tyszczuk-Rotko, Sabina Dąbal

Abstract


This paper shows a novel, simple and rapid voltammetric procedure, which enables Cd and Pb determination at traces concentrations. All measurements were carried out by differential  pulse anodic stripping voltammetry (DPASV) with total time of analysis of 210 s. The obtained detection limits were 8.46 · 10-10 mol L-1 and 2.57 · 10-10 mol L-1  for Cd(II) and Pb(II), respectively. This procedure was successfully applied for the quantification of mentioned metal ions in water samples collected from the Vistula River.


Keywords


cadmium and lead determination; bismuth film glassy carbon electrode; voltammetry

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DOI: http://dx.doi.org/10.17951/aa.2017.72.1.1
Date of publication: 2017-12-08 10:35:20
Date of submission: 2017-02-16 16:27:55


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Copyright (c) 2017 Katarzyna Domańska, Katarzyna Tyszczuk-Rotko, Sabina Dąbal