亲水亲脂多齿二胺对三价镧系元素和锕系元素的相互分离

Y. Sasaki, Keisuke Morita
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引用次数: 3

摘要

不仅需要锕系元素(An)和镧系元素(Ln)的分离,而且需要Am和Cm的分离。虽然这些金属存在相互分离的困难,但我们采用溶剂萃取法,将亲脂和亲水二胺和氨基聚乙酸溶解在水相和有机相中,以获得较高的分离系数。很明显,两种配体的组合(TODGA作为萃取剂,DTPA或DTPAbisamide作为掩蔽剂)对Nd/Am和Nd/Cm的SF值约为10或更高,两种配体的组合(DGA和DOODA配体)在柱分离中对Am/Cm的SF值约为2。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mutual separation of trivalent lanthanide and actinides by hydrophilic and lipophilic multidentate diamides
Not only the separation of actinide (An) from lanthanide (Ln) but also the separation of Am and Cm are required. Although there includes difficulty of the mutual separation of these metals, we take the solvent extraction method using lipophilic and hydrophilic diamides and aminopolyacetic acid dissolved in both aqueous and organic phases, in order to get high separation factors. It is clear that combination of two ligands (TODGA as an extractant and DTPA or DTPAbisamide as a masking agent) give around and higher 10 of SF for Nd/Am and Nd/Cm, and combination of two ligands (DGA and DOODA ligands) give around 2 of SF for Am/Cm in column separation.
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