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Gas-Phase Conversion of Uranium-Containing Compounds of Cs and Sr in the Nitrating Atmosphere

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Radiochemistry Aims and scope

Abstract

The gas-phase conversion of oxide systems containing U, Cs, and Sr was studied. The systems of the Cs2U2O7 and (Sr–Cs–U)Oy type have the high thermal stability to 1523 K in air. The above systems may be converted with high efficiency into water-soluble metal nitrates on heating in the atmosphere resulting from the evaporation of a 12 M HNO3 solution.

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Funding

The study was financially supported by the Russian Foundation for Basic Research (project 18-33-01208) and the Ministry of Science and Higher Education of the Russian Federation.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    S. A. Kulyukhin, Yu. M. Nevolin & A. A. Bessonov

  2. Lomonosov Moscow State University, Faculty of Chemistry, 119991, Moscow, Russia

    Yu. M. Nevolin

Authors
  1. S. A. Kulyukhin
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  2. Yu. M. Nevolin
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  3. A. A. Bessonov
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Correspondence to S. A. Kulyukhin.

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The authors declare that they have no conflict of interest.

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Translated from Radiokhimiya, No. 5, pp. 440–446, April, 2021 https://doi.org/10.31857/S0033831121050038

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Kulyukhin, S.A., Nevolin, Y.M. & Bessonov, A.A. Gas-Phase Conversion of Uranium-Containing Compounds of Cs and Sr in the Nitrating Atmosphere. Radiochemistry 63, 565–571 (2021). https://doi.org/10.1134/S1066362221050039

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