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Electroanalytical Determination of Cadmium(II) and Lead(II) Using an Antimony Nanoparticle Modified Boron-Doped Diamond Electrode

✍ Scribed by Kathryn E. Toghill; Lei Xiao; Gregory G. Wildgoose; Richard G. Compton

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
352 KB
Volume
21
Category
Article
ISSN
1040-0397

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✦ Synopsis

Abstract

We report the simultaneous electroanalytical determination of Pb^2+^ and Cd^2+^ by linear sweep anodic stripping voltammetry (LSASV) using an antimony nanoparticle modified boron doped diamond (Sb‐BDD) electrode. Sb deposition was performed in situ with the analytes, from a solution of 1 mg L^−1^ SbCl~3~ in 0.1 M HCl (pH 1). Pb^2+^ inhibited the detection of Cd^2+^ during simultaneous additions at the bare BDD electrode, whereas in the presence of antimony, both peaks were readily discernable and quantifiable over the linear range 50–500 μg L^−1^.

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