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Extraction of uranyl ions in TBP-chloroacetic acid systems

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Abstract

The extraction coefficients for the actinyl ions extracted with tri-n-butyl phosphate (TBP) from 2.0M CH3 COOH, CH2 ClCOOH and CCl3 COOH in various temperatures have been measured. Distinct discontinuities of the lnD vs. 1/T plots were interpreted as a proof for the extraction mechanism changes. Results obtained were used to calculate the thermodynamic functions of the actinyl complexation in the aqueous phase and of the partition process. It is proposed that the inner-sphere complex formation increases in the order acetates < chloroacetates < trichloroacetates.

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Authors and Affiliations

  1. Institute of Chemistry and Nuclear Technology, Dorodna 16, 03-195, Warsaw, (Poland)

    L. Fuks & I. Fidelis

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  1. L. Fuks
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  2. I. Fidelis
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Fuks, L., Fidelis, I. Extraction of uranyl ions in TBP-chloroacetic acid systems. Journal of Radioanalytical and Nuclear Chemistry, Articles 120, 379–386 (1988). https://doi.org/10.1007/BF02037352

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