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Thermodynamic Analysis of Cerium(III) Extraction from Sulfate Solutions with Salts of Quaternary Ammonium Bases

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Abstract

Cerium(III) distribution between an aqueous sulfate solution and a solution of trialkylbenzylammonium sulfate in xylene was studied. The Ce(III) distribution coefficient grows with increasing pH. The extraction is provided by the formation of cerium mono- and disulfate complexes in the aqueous phase. Schemes of extraction equilibria are proposed and Gibbs energies and equilibrium constants are found.

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Dibrov, I.A., Chirkst, D.E. & Litvinova, T.E. Thermodynamic Analysis of Cerium(III) Extraction from Sulfate Solutions with Salts of Quaternary Ammonium Bases. Russian Journal of Applied Chemistry 75, 191–194 (2002). https://doi.org/10.1023/A:1016135714028

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