Separation of systems based on uranium hexafluoride and some of halogen fluorides

R. V. Ostvald, V. V. Shagalov, I. I. Zherin, G. N. Amelina, V. F. Usov, A. I. Rudnikov, O. B. Gromov

Research output: Contribution to journalArticle

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Abstract

The purpose of this paper is to present the results of the comprehensive study of the phase equilibriums liquid-solid and liquid-vapour in binary and ternary systems, formed by uranium hexafluoride, bromine trifluoride and iodine pentafluoride. Investigation of the phase equilibriums in condensed systems is done by methods of differential thermoanalysis and visual polythermal analysis. All systems belong to simple eutectics; formation of the compounds is not detected. For all systems under investigation diagrams of the phase equilibrium liquid-solid are plotted. Phase equilibriums liquid-vapour in studied systems were studied by statistical method. All systems are non-aseotropic. The article presents diagrams of the phase equilibrium liquid-vapour in binary systems, pressure of the saturated vapour dependences on liquid composition, surface of the boiling liquid and lines of the constant content of uranium hexafluoride and iodine pentafluoride in vapour phase of the ternary system UF6-BrF3-IF5.

Original languageEnglish
Pages (from-to)108-116
Number of pages9
JournalJournal of Fluorine Chemistry
Volume130
Issue number1
DOIs
Publication statusPublished - Jan 2009

Fingerprint

Halogens
halogen
Fluorides
fluoride
Iodine
halogens
uranium
fluorides
Phase equilibria
phase equilibrium
Vapor Pressure
Vapors
liquid
Liquids
liquids
liquid-vapor equilibrium
ternary systems
iodine
Ternary systems
diagrams

Keywords

  • Bromine trifluoride
  • Iodine pentafluoride
  • Lines of extensible evaporation
  • Phase equilibrium diagram
  • Processes of sorption and desorption
  • Statistical method of research of phase equilibrium
  • Uranium hexafluoride

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Environmental Chemistry

Cite this

Separation of systems based on uranium hexafluoride and some of halogen fluorides. / Ostvald, R. V.; Shagalov, V. V.; Zherin, I. I.; Amelina, G. N.; Usov, V. F.; Rudnikov, A. I.; Gromov, O. B.

In: Journal of Fluorine Chemistry, Vol. 130, No. 1, 01.2009, p. 108-116.

Research output: Contribution to journalArticle

Ostvald, R. V. ; Shagalov, V. V. ; Zherin, I. I. ; Amelina, G. N. ; Usov, V. F. ; Rudnikov, A. I. ; Gromov, O. B. / Separation of systems based on uranium hexafluoride and some of halogen fluorides. In: Journal of Fluorine Chemistry. 2009 ; Vol. 130, No. 1. pp. 108-116.
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