Determination of Sb(V) Using Differential Pulse Anodic Stripping Voltammetry at an Unmodified Edge Plane Pyrolytic Graphite Electrode

被引：6
|
作者：
Lu, Min [1 ]
Rees, Neil V. [1 ]
Compton, Richard G. [1 ]
机构：
[1] Oxford Chem, Phys & Theoret Chem Lab, Dept Chem, Oxford OX1 3QZ, England
来源：
ELECTROANALYSIS | 2012年 / 24卷 / 06期
关键词：
Antimony(V); Edge plane pyrolytic graphite electrode; Anodic stripping voltammetry; NATURAL-WATERS; BOTTLED WATERS; ANTIMONY; ENVIRONMENT; SPECIATION; BISMUTH; SAMPLES; CONTAMINATION; PYROGALLOL; SEAWATER;
D O I：
10.1002/elan.201200153
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Antimony(V) determination at an unmodified edge plane pyrolytic graphite (EPPG) electrode using anodic stripping voltammetry (ASV) by depositing beyond the hydrogen wave is shown in this paper. By depositing beyond the hydrogen wave, we report a sensitive method to determine pentavalent antimony at a carbon electrode in 0.25 M HCl. Using differential pulse anodic stripping voltammetry (DPASV), a bare EPPG electrode gave a detection limit of 5.8 +/- 0.02 nM without the need for surface modification. This level is greatly within the EU limit for drinking water of 40 nM.
引用
收藏
页码：1306 / 1310
页数：5
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