Published January 1967
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Study of the behaviour of some heavy elements in solvents containing hydrogen fluoride
Creators
- 1. Commissariat a l'Energie Atomique, Fontenay-aux-Roses (France). Centre d'Etudes Nucleaires
Description
The anhydrous liquid mixtures: dinitrogen tetroxide-hydrogen fluoride and antimony pentafluoride-hydrogen fluoride were studied as solvents for heavy elements interesting nuclear energy: uranium, thorium, zirconium and for some of their compounds. For N2O4-HF mixtures, electric conductivity measurements and liquid phase infrared spectra were also obtained. Uranium and zirconium tetrafluoride are much more soluble in N2O4-HF mixtures than in pure hydrogen fluoride. Uranium dissolved in these mixtures is pentavalent. In SbF5-HF mixtures, uranium dissolves with hydrogen evolution and becomes trivalent. The solid compound resulting from the dissolution is a fluoro-antimonate: U(SbF6)3. (author)
Availability note (English)
Available from INIS in electronic formAbstract (French)
On a etudie les melanges liquides anhydres: peroxyde d'azote-acide fluorhydrique et pentafluorure d'antimoine-acide fluorhydrique comme solvants d'elements lourds interessant l'energie nucleaire: uranium, thorium, zirconium et de quelques uns de leurs composes. Pour les melanges N2O4-HF on a egalement effectue des mesures de conductivite electrique, ainsi que des spectres d'absorption infrarouge en phase liquide. Le tetrafluorure d'uranium et le tetrafluorure de zirconium sont beaucoup plus solubles dans les melanges N2O4-HF que dans l'acide fluorhydrique. L'uranium dissous dans ces melanges est a l'etat pentavalent. Dans les melanges SbF5-HF l'uranium se dissout avec degagement d'hydrogene et passe a l'etat trivalent. Le compose solide resultant de la dissolution est un fluoantimoniate: U(SbF6)3. (auteur)Files
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Additional details
Additional titles
- Original title (French)
- Etude du comportement de quelques elements lourds dans des solvants a base d'acide fluorhydrique
Publishing Information
- Imprint Pagination
- [71 p.]
- Report number
- CEA-R--3205
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 36090309
- Subject category
- S11: NUCLEAR FUEL CYCLE AND FUEL MATERIALS;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- ABSORPTION SPECTRA; ABSORPTION SPECTROSCOPY; ANTIMONY FLUORIDES; ELECTRIC CONDUCTIVITY; HYDROFLUORIC ACID; INFRARED SPECTRA; NITROGEN OXIDES; SOLVENT PROPERTIES; THORIUM; URANIUM; ZIRCONIUM
- Descriptors DEC
- ACTINIDES; ANTIMONY COMPOUNDS; CHALCOGENIDES; ELECTRICAL PROPERTIES; ELEMENTS; FLUORIDES; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; METALS; NITROGEN COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; SPECTRA; SPECTROSCOPY; TRANSITION ELEMENTS
Optional Information
- Notes
- 66 refs.