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Fluoride-Conversion Synthesis of Homogeneous Actinide Oxide Solid Solutions.
- Source :
-
Inorganic Chemistry . 11/7/2011, Vol. 50 Issue 21, p11004-11010. 7p. - Publication Year :
- 2011
-
Abstract
- The synthesis of (U,Th)O2 solid solutions at a relatively low temperature of 1100 °C using a new technique is described. First, separate actinide oxides were reacted with ammonium hydrogen fluoride to form ammonium actinide fluorides at room temperature. Subsequently, this fluoride was converted to an actinide oxide solid solution using a two-phase reaction process, which involved heating of the fluoride first at 610 °C in static air followed by heating at 1100 °C in flowing argon. Oxide solid solutions of UO2 and ThO2 were synthesized for a ThO2 content from 10 to 90 wt %. Microscopic investigation showed that the (U,Th)O2 solid solutions synthesized using this method had high crystallinity and homogeneity up to nanoscale. [ABSTRACT FROM AUTHOR]
- Subjects :
- *FLUORIDES
*ACTINIUM compounds
*SOLID solutions
*AMMONIUM bicarbonate
*NANOCHEMISTRY
Subjects
Details
- Language :
- English
- ISSN :
- 00201669
- Volume :
- 50
- Issue :
- 21
- Database :
- Academic Search Index
- Journal :
- Inorganic Chemistry
- Publication Type :
- Academic Journal
- Accession number :
- 67434161
- Full Text :
- https://doi.org/10.1021/ic201552g