Analysis revealed differing solubility of thorium oxalate in ammonium formate, suggesting improved uranium separation strategies.
Thorium, uranium, and REE behavior in oxalic and oxalic–formate media was investigated. Thorium oxalate solubility in ammonium formate was determined. Some advice for uranium separation from thorium and REE was made. It is preferred to precipitate REE oxalates and to precipitate thorium oxalate with a non-isotopic carrier.
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A.S. Kornilov (2025) studied this question.
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