Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Novel Soft–Hard Donor Ligand, NTAamide, for Mutual Separation of Trivalent Actinoids and Lanthanoids
Yuji SasakiYasuhiro TsubataYoshihiro KitatsujiYasuji Morita
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2013 Volume 42 Issue 1 Pages 91-92

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Abstract

New reagent, N,N,N′,N′,N′′,N′′-hexaoctylnitrilotriacetamide (NTAamide(C8)), was synthesized and examined for actinoid and lanthanoid extractions. NTAamide(C8) has one N atom and three carbonyl oxygen atoms in the central frame, and may show hybrid bonds between hard O and soft N donors. It was found that NTAamide can extract Am(III) and Cm(III) from diluted HNO3 with small D(Ln). This result suggests that the N-donor makes stronger complexes with Am(III) and Cm(III) than Ln(III) at low HNO3.

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© 2013 The Chemical Society of Japan
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