Publication
Analytical Chemistry
Paper

Simultaneous Determination of Tin and Indium Using Anodic Stripping Voltammetry

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Abstract

▶ A method is described for the simultaneous determination of tin and indium in binary alloys, using the techniques and advantages of anodic stripping voltammetry with linearly varying potential. The method is particularly suitable for the analysis of thin films and samples containing low indium concentrations. Its use for the determination of tin is extremely convenient, since the oxidation state of tin is not critical. Current-voltage curves were obtained from an electrolyte containing pyrogallol and ammonium thiocyanate. The accuracy and precision of the method are comparable to those obtained with cathodic voltammetry with linearly varying potential. The sensitivity of the method makes it possible to determine concentrations of indium as low as 10 p.p.m. in tin. © 1962, American Chemical Society. All rights reserved.

Date

01 May 2002

Publication

Analytical Chemistry

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