期刊
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
卷 327, 期 2, 页码 957-973出版社
SPRINGER
DOI: 10.1007/s10967-020-07538-2
关键词
Uranyl oxalate; Morphology; Nuclear forensics; Signatures; Iron impurity
资金
- EPSRC
- BEIS [EP/T011424/1]
- EPSRC [EP/T011424/1] Funding Source: UKRI
This study examines the thermal decomposition of uranyl oxalate and the phase analysis of its thermal products, discussing their morphologies in relation to solution processing conditions.
Uranyl oxalate (UO2C2O4 center dot xH(2)O) may exist at the back-end of the nuclear fuel cycle (NFC) as an intermediate in spent fuel reprocessing. The conditions used in aqueous reprocessing and thermal treatment can affect the physical and chemical properties of the material. Furthermore, trace impurities, such as Fe, may incorporate into the structure of these materials. In nuclear forensics, understanding relationships between processing variables aids in determination of provenance and processing history. In this study, the thermal decomposition of UO2C2O4 center dot 3H(2)O and phase analysis of its thermal products are examined. Their morphologies are discussed with respect to a matrix of solution processing conditions.
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