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Voltammetry behavior of iodine and selenium on new organo-modified electrodes: Development of a procedure for the determination of iodine and selenium

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Abstract

The voltammetry behavior of iodine and selenium has been studied on new organo-modified electrodes. The conditions have been proposed for the measurement of the analytical signals of iodide and selenium ions on a silver electrode modified by aryl diazonium tosylates containing an amino group in the presence of a 0.1 M solution of N2H4 · H2SO4 (pH 2–3) without oxygen removal. A new approach and a procedure have been developed for the simultaneous determination of iodine and selenium in tap, drinking, and mineral waters using the organo-modified electrode. The analytical range is from 0.003 to 1.5 mg/L for iodide ions and from 0.003 to 2.0 mg/L for selenite ions.

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Original Russian Text © V.I. Deryabina, G.B. Slepchenko, Fam Kam N’ung, Ho Shi Lin’, 2013, published in Zhurnal Analiticheskoi Khimii, 2013, Vol. 68, No. 10, pp. 991–994.

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Deryabina, V.I., Slepchenko, G.B., N’ung, F.K. et al. Voltammetry behavior of iodine and selenium on new organo-modified electrodes: Development of a procedure for the determination of iodine and selenium. J Anal Chem 68, 896–899 (2013). https://doi.org/10.1134/S1061934813100043

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  • DOI: https://doi.org/10.1134/S1061934813100043

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