Gas-phase conversion of the U(VI), Sr,Mo, and Zr compounds in nitrating atmosphere |
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| Authors: | Sergey A. Kulyukhin Yurii M. Nevolin Margarita P. Gorbacheva Andrey V. Gordeev |
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| Affiliation: | 1.Frumkin Institute of Physical Chemistry and Electrochemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | The gas-phase conversion of U3O8, MoO3, SrO, and their mechanical mixtures, and also of ZrO2 into water-soluble compounds in the atmosphere of (NO x + vapor H2O) or HNO3 (vapor) was studied. In the course of gas-phase conversion, U3O8 and SrO transform into water-soluble compounds (nitrates, hydroxonitrates), whereas MoO3 and ZrO2 undergo no changes. The principal possibility of separating U from Mo and Zr by gas-phase conversion of the oxides in the atmosphere of (NO x + vapor H2O) or HNO3 (vapor) was demonstrated. |
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