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

We report the simultaneous electroanalytical determination of Pb2+ and Cd2+ 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 SbCl3 in...

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Bibliographic Details
Published in:Electroanalysis (New York, N.Y.) N.Y.), 2009-05, Vol.21 (10), p.1113-1118
Main Authors: Toghill, Kathryn E., Xiao, Lei, Wildgoose, Gregory G., Compton, Richard G.
Format: Article
Language:English
Subjects:
Anodic stripping voltammetry
Antimony nanoparticles
Boron doped diamond
Cadmium determination
Lead determination
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Summary:We report the simultaneous electroanalytical determination of Pb2+ and Cd2+ 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 SbCl3 in 0.1 M HCl (pH 1). Pb2+ inhibited the detection of Cd2+ 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.
ISSN:1040-0397
1521-4109
DOI:10.1002/elan.200904547