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Extraction of iridium(IV) by dihexyl sulfoxide from hydrochloric acid solutions

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Abstract

The extraction of iridium(IV) by dihexyl sulfoxide from hydrochloric acid solutions was studied. Optimum conditions for the extraction of iridium(IV) were determined. It was found that an ion-association mechanism of iridium(IV) extraction took place in the test extraction systems at a phase contact time of 10 min. As the phase contact time was increased, the extraction took place by a mixed mechanism. One extractant molecule was incorporated into the inner coordination sphere of the iridium(IV) ion. This decreased the charge of the extracted complex to unity.

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Authors and Affiliations

  1. Institute of Organic Chemistry, Ufa Scientific Center, Russian Academy of Sciences, Ufa, Russia

    N. G. Afzaletdinova, E. R. Ibatova & Yu. I. Murinov

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  1. N. G. Afzaletdinova
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  2. E. R. Ibatova
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  3. Yu. I. Murinov
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Original Russian Text © N.G. Afzaletdinova, E.R. Ibatova, Yu.I. Murinov, 2006, published in Zhurnal Neorganicheskoi Khimii, 2006, Vol. 51, No. 6, pp. 1044–1049.

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Afzaletdinova, N.G., Ibatova, E.R. & Murinov, Y.I. Extraction of iridium(IV) by dihexyl sulfoxide from hydrochloric acid solutions. Russ. J. Inorg. Chem. 51, 971–976 (2006). https://doi.org/10.1134/S0036023606060209

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  • DOI: https://doi.org/10.1134/S0036023606060209

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