Determination of Trace Bismuth(III) by Stripping Voltammetry at Antimony-Coated Carbon Paste Electrode

被引：0
|
作者：
Ashrafi, Amir M. [1 ]
Vytras, Karel [1 ]
机构：
[1] Univ Pardubice, Dept Analyt Chem, Fac Chem Technol, CZ-53210 Pardubice, Czech Republic
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2012年 / 7卷 / 01期
关键词：
bismuth(III) determination; stripping voltammetry; antimony film electrode; carbon paste electrode; Cd(II)-assisted catalysis; MYOCLONIC ENCEPHALOPATHY; FILM ELECTRODE; BEHAVIOR; CADMIUM(II); INSIGHTS; LEAD(II);
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A new procedure was elaborated to determine trace bismuth(III) using an anodic stripping square-wave voltammetry at the antimony film carbon paste electrode (SbF-CPE). The method is realized in highly acidic medium of hydrochloric acid in which antimony peak is negligible, and apparently catalyzed by presence of cadmium(II), thus allowing the determination at ppb levels. Calibration dependence was linear up to 110 ppb Bi with a detection limit (3 sigma) of 1.55 ppb. Applicability of the method was tested on the real sample of river water.
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页码：68 / 76
页数：9
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