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Physicochemical basis of the ion-exchange separation of gold cyanide complexes

  • Physical Chemistry of Surface Phenomena
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Abstract

The mechanism of the separation of gold cyanide complexes is discussed, along with ion exchanger selection, selectivity, elution, and industrial applications. The ion-exchange mechanism for the sorption of gold cyanide complexes is established, and a criterion is suggested for selecting the anion exchanger for their extraction (specifically, the pK a of the anion exchanger). The selectivity of the sorption of gold cyanide complexes by anion exchangers with rarely distributed ionogenic groups is demonstrated. A procedure for the elution of gold cyanide complexes using alkaline solutions is developed.

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Authors and Affiliations

  1. Institute of Nonferrous Metals and Material Sciences, Siberian Federal University, Krasnoyarsk, 660041, Russia

    O. N. Kononova

  2. Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660049, Russia

    Yu. S. Kononov

Authors
  1. O. N. Kononova
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  2. Yu. S. Kononov
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Correspondence to O. N. Kononova.

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Original Russian Text © O.N. Kononova, Yu.S. Kononov, 2014, published in Zhurnal Fizicheskoi Khimii, 2014, Vol. 88, No. 10, pp. 1580–1585.

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Kononova, O.N., Kononov, Y.S. Physicochemical basis of the ion-exchange separation of gold cyanide complexes. Russ. J. Phys. Chem. 88, 1767–1772 (2014). https://doi.org/10.1134/S0036024414100227

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  • DOI: https://doi.org/10.1134/S0036024414100227

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