Isolation of Plutonium in the Course of REE/TPE Separation by Displacement Complexing ChromatographyстатьяИсследовательская статья
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Аннотация:Isolation of Pu from a TPE/REE mixture by displacement complexing chromatography on KU-2
cation-exchange resin was studied. To stabilize Pu in the trivalent state, the sorption of the mixture components
from the initial solutions was performed in the presence of hydrazine nitrate. To convert Pu to the tetravalent
state, H2O2 was added to the DTPA solution used as an eluent. The influence of temperature and H2O2 concentration on the chromatographic isolation of Pu was studied. Optimum conditions were found for separating Pu
from TPE and REE.