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Differential pulse anodic stripping voltammetry as a rapid screening technique for heavy metal intoxications

✍ Scribed by J. P. Franke; R. A. Zeeuw

Publisher: Springer-Verlag
Year: 1976
Tongue: English
Weight: 500 KB
Volume: 37
Category: Article
ISSN: 0340-5761
DOI: 10.1007/bf00353354

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✦ Synopsis

This paper describes a relatively simple and rapid analytical procedure capable to carry out systematic screening for 10 heavy metals, namely mercury, bismuth, antimony, copper, lead, tin, thallium, indium, cadmium and zinc. Differential pulse anodic stripping voltammetry was chosen because of its simplicity, speed, low cost, low detection limits, screening potential for a wide selection of metals and the combined qualitative and quantitative output. The method of identification is based on measuring peak potentials in 2 different types of electrolyte solution, using 2 different electrodes. Complexing agents are used to mask certain elements.

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The applicability of differential pulse anodic stripping voltammetry to the direct qualitative and quantitative analysis of thallium in urine has been investigated. Comparisons were made between the hanging mercury drop electrode and the mercury plated wax impregnated graphite electrode. The latter