Ex-situ Plating Bismuth Film on Platinum Electrode for the Determination of Trace Lead and Cadmium by Differential Pulse Stripping Voltammetry

Bismuth film modified platinum (Pt) electrode was prepared by an ex-situ plating for the simultaneous determination of a trace level of Pb2 + and Cd2 + by differential pulse stripping voltammetry ( DPSV ). Pb and Cd formed alloys with bismuth and displayed well-defined peaks in differential pulse st...

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Bibliographic Details
Published inFēnxī huàxué Vol. 36; no. 2; pp. 177 - 181
Main Authors Gong, Wei-Lei, Wang, Shu-Ran, Jiang, Xian-Chen, Sun, Qian
Format Journal Article
LanguageChinese
Published 01.02.2008
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Summary:Bismuth film modified platinum (Pt) electrode was prepared by an ex-situ plating for the simultaneous determination of a trace level of Pb2 + and Cd2 + by differential pulse stripping voltammetry ( DPSV ). Pb and Cd formed alloys with bismuth and displayed well-defined peaks in differential pulse stripping voltammetry. The conditions of several key operational parameters such as the deposition time of Bi3+, pH of supporting electrolyte, preconcentration time and potential were optimized.
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ISSN:0253-3820