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Joint solubility of PuF3 and CeF3 in ternary melts of lithium, thorium, and uranium fluorides

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Abstract

Joint solubility of PuF3 and CeF3 in melts of the molar composition 78LiF-7ThF4-15UF4 and 72.5LiF-7ThF4-20.5UF4 in the temperature range 550°-800°C was studied. Anhydrous PuF3 and CeF3 spiked with 144Ce, and also anhydrous ThF4 were synthesized. Isothermal saturation method was used for studying the solubility of pressed PuF3 and CeF3 pellets in these melts in an inert (argon) atmosphere. The dependence of the joint solubility of PuF3 and CeF3 on the melt temperature was determined.

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Authors and Affiliations

  1. Research Institute of Atomic Reactors, Dimitrovgrad-10, Ulyanovsk oblast, 433510, Russia

    A. A. Lizin, S. V. Tomilin, A. G. Osipenko, M. V. Kormilitsyn & N. Yu. Nezgovorov

  2. National Research Center Kurchatov Institute, pl. Akad. Kurchatova 1, Moscow, 123182, Russia

    V. V. Ignat’ev

Authors
  1. A. A. Lizin
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  2. S. V. Tomilin
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  3. V. V. Ignat’ev
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  4. A. G. Osipenko
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  5. M. V. Kormilitsyn
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  6. N. Yu. Nezgovorov
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Corresponding author

Correspondence to A. A. Lizin.

Additional information

Original Russian Text © A.A. Lizin, S.V. Tomilin, V.V. Ignat’ev, A.G. Osipenko, M.V. Kormilitsyn, N.Yu. Nezgovorov, 2015, published in Radiokhimiya, 2015, Vol. 57, No. 1, pp. 32–37.

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Lizin, A.A., Tomilin, S.V., Ignat’ev, V.V. et al. Joint solubility of PuF3 and CeF3 in ternary melts of lithium, thorium, and uranium fluorides. Radiochemistry 57, 36–42 (2015). https://doi.org/10.1134/S1066362215010063

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  • DOI: https://doi.org/10.1134/S1066362215010063

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