Precipitation Reaction of Uranyl Ion in Molten Potassium Thiocyanate

The qualitative and the quantitative analyses of the reaction products obtained by heating uranyl solution of molten potassium thiocyanate were carried out. It was found that in the presence of water in the melt, uranyl ion is converted into UO 2 accompanied with the evolution of CO 2 and the format...

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Bibliographic Details
Published inJournal of nuclear science and technology Vol. 16; no. 9; pp. 679 - 683
Main Author YANAGI, Tadashi
Format Journal Article
LanguageEnglish
Published Tokyo Taylor & Francis Group 01.09.1979
Taylor & Francis Ltd
Subjects
fused salts
molten compounds-water reactions
molten potassium thiocyanate
precipitation
uranium dioxide
uranyl ions
water
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Summary:The qualitative and the quantitative analyses of the reaction products obtained by heating uranyl solution of molten potassium thiocyanate were carried out. It was found that in the presence of water in the melt, uranyl ion is converted into UO 2 accompanied with the evolution of CO 2 and the formation of free sulfur. The molar ratios on these products were almost equal to each other. By detecting ammonia in reaction products, it was concluded that the precipitation reaction of uranyl ion in the melt is expressed as follows: UO 2 ++ + SCN − + 2H 2 O = UO 2 + CO 2 +S+ NH 4 + .
ISSN:0022-3131
1881-1248
DOI:10.1080/18811248.1979.9730963