Recovery of Americium from Actinide-Lanthanide Fraction of High-Level Waste During Its Transfer to the Oxidation State Am(V)
Radiochemistry(2023)
Abstract
The conditions for the oxidation of Am(III) to Am(VI) and its reduction to Am(V) are shown, and the stability of these forms in a 0.1 M nitric acid model solution of the actinide-lanthanide fraction of high-level waste (HLW) containing isotopes of americium and curium and also praseodymium as a simulant of the behavior of fragmented lanthanides is defined. It was found that about 30
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Key words
americium,curium,lanthanides,praseodymium,extraction,tributyl phosphate,recovery,separation,salting-out agent
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