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Russian Journal of General Chemistry

, Volume 89, Issue 8, pp 1630–1636 | Cite as

Synthesis and Study of Rubidium Hexauranate Rb2[(UO2)6O3(OH)8]·6H2O and Products of Its Heat Decomposition

  • O. V. NiprukEmail author
  • N. G. Chernorukov
  • M. O. Bakhmetiev
  • E. V. Elipasheva
  • M. I. Lelet
  • K. A. Chaplieva
Article
  • 1 Downloads

Abstract

The interaction of hydrated uranium(VI) oxide UO3·2.25H2O (schoepite) with an aqueous solution of rubidium hydroxide in an autoclave at 100°C has yielded rubidium uranate Rb2(UO2)6O3(OH)8·6H2O. Composition and structure of the obtained compound have been determined by chemical analysis, IR spectroscopy, X-ray diffraction, and differential thermal analysis. The processes of its dehydration and thermal decomposition have been studied.

Keywords

rubidium hexauranate hydrated uranates schoepite thermal analysis 

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Notes

Funding

This study was financially supported by the Ministry of Education and Science of the Russian Federation (grant no. 4.5706.2017/BCh) in the scope of basic part of the State Task.

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • O. V. Nipruk
    • 1
    Email author
  • N. G. Chernorukov
    • 1
  • M. O. Bakhmetiev
    • 1
  • E. V. Elipasheva
    • 1
  • M. I. Lelet
    • 1
  • K. A. Chaplieva
    • 1
  1. 1.N.I. Lobachevskii Nizhny Novgorod State UniversityNizhny NovgorodRussia

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