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Some observations on the synergistic extraction of uranium(VI) with double chelating agent systems

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Abstract

A study on the synergistic extraction of uranium(VI) from nitric acid media with double-chelating agent systems 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 (PMBP) plus thenoyltrifluoroacetone (TTA), and 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 plus 1-phenyl-3-methyl-4-trifluoroacetyl-pyrazolone-5 (PMTFP) is described. Some synergistic effects have been observed. The experimental results suggest that the composition of synergistic complex species is UO2PMBP·TTA and UO2PMBP·PMTFP, respectively. The equilibrium constants for these synergistic extractions are calculated by three methods and the mechanism and the regularity of extraction are discussed as well.

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Authors and Affiliations

  1. Department of Nuclear Science, Fudan University, Shanghai, (China)

    Mao Jia-Jun, Chen Yu-De, Zhang Gui-Rong & Zhou Zu-Ming

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  1. Mao Jia-Jun
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  2. Chen Yu-De
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  3. Zhang Gui-Rong
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  4. Zhou Zu-Ming
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Jia-Jun, M., Yu-De, C., Gui-Rong, Z. et al. Some observations on the synergistic extraction of uranium(VI) with double chelating agent systems. Journal of Radioanalytical and Nuclear Chemistry, Articles 100, 103–115 (1986). https://doi.org/10.1007/BF02036504

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  • DOI: https://doi.org/10.1007/BF02036504

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