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The use of indium(III) as a complexing counter-ion to enable the separation of chloride,bromide, and iodide using isotachophoresis
Authors:Email author" target="_blank">Jeff?E?PrestEmail author  Peter?R?Fielden
Institution:(1) School of Chemical Engineering and Analytical Science, The University of Manchester, PO Box 88, Manchester, M60 1QD, UK
Abstract:A new method has been devised to enable the determination of halide anions by isotachophoresis. This method uses an electrolyte system that employs indium(III) as a counter-ion to manipulate the effective mobilities of sample species by means of complexation reactions. This new procedure successfully enabled the simultaneous determination of the halide ions chloride, bromide, and iodide when a 12 mmol L–1 nitrate-based leading electrolyte containing 3.5 mmol L–1 indium(III) at pH 3.0 was used.
Keywords:Isotachophoresis  Electrophoresis  Halide separation
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