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Effect of diluents in U(VI) extraction with N,N'-dihexanoylpiperazine

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Abstract

A systematic investigation has been carried out on the extractive behavior of N,N'-dihexanoylpiperazine (DHPEZ) with respect to U(VI) in five diluents, from aqueous nitric acid media. The variation of U(VI) distribution ratio with the concentrations of aqueous nitric acid, extractant, salting-out agent and with temperature has been investigated and discussed. The increasing order of extractive ability of DHPEZ towards U(VI) is: chloroform, carbon tetrachloride, 1,4-dimethyl-benzene, toluene, benzene. The composition of the extracted species and extraction constants as well as the enthalpy changes are given.

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Authors and Affiliations

  1. Administrative Committee of Jinan High-tech Development Zone, Jinan, Shandong, 250101, P.R. China

    Yang Xing-Cun

  2. Department of Chemistry, Shanghai University, Shanghai, 200436, P.R. China

    Bao Bo-Rong & Cao Wei-Gu

Authors
  1. Yang Xing-Cun
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  2. Bao Bo-Rong
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  3. Cao Wei-Gu
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Xing-Cun, Y., Bo-Rong, B. & Wei-Gu, C. Effect of diluents in U(VI) extraction with N,N'-dihexanoylpiperazine. Journal of Radioanalytical and Nuclear Chemistry 258, 681–684 (2003). https://doi.org/10.1023/B:JRNC.0000011770.72088.f8

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  • DOI: https://doi.org/10.1023/B:JRNC.0000011770.72088.f8

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