Selective separation of Am(III) from lanthanides(III) by solvent extraction with hydrophobic field of "superweak" anion

Naganawa, Hirochika ; Suzuki, Hideya*; Noro, Junji*; Kimura, Takaumi

A "superweak" anion, TFPB-, gives rise to a field effect on the selectivity for Am $^{3+}$ over Ln $^{3+}$ in their extraction from aqueous HNO $_{3}$ solution into benzene containing a "hard donor" extractant that shows no selectivity for these metal ions in traditional solvent extraction.

Language	:	English
Journal	:	Chemical Communications
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Number	:	23
Pages	:	p.2963 - 2965
Publication Year/Month	:	2005/06
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Keywords	:	Superweak Anion; Field Effect; TFPB; CMPO; Americium; Lanthanides; Dehydration; Separation; Selectivity
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Registration No. : A20040331
JAEA Abstracts No. : 330601
Paper Submission No. : 21919

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