Quick analytical method for the determination of iodide and iodate ions in aqueous solutions

Authors: Cripps R.1; Venuat L.2; Bruchertseifer H.2

Source: Journal of Radioanalytical and Nuclear Chemistry, Volume 256, Number 2, May 2003 , pp. 357-360(4)

Publisher: Springer

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Abstract:

An analytical quick-test method was developed to determine iodide and iodate ions in aqueous solutions using solid phase extraction cartridges for sample preparation. Work was focussed on finding simple, but efficient conditions for quantitative separation of iodate and iodide. Iodine amounts were then determined by standard methods. Ion-exchange absorbers in cartridge form were used. Selectivity and yield of the species separation were studied at pH value of 5-10 and various solution compositions using 131I radioactive tracer. The electrolytes used were diluted alkaline, nitrate and boric acid-borate solutions. Application to nuclear reactor cooling water analysis or environmental investigations and monitoring is proposed.

Language: English

Document Type: Research article

Affiliations: 1: Paul Scherrer Institute CH-5232 Villigen PSI, Switzerland E-mail: robin.cripps@psi.ch 2: Paul Scherrer Institute CH-5232 Villigen PSI, Switzerland

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