The solvent extraction of americium(III) in HNO3 solutions by 2,6-bis[(diphenylphosphino)methyl]pyridine N,P,P' trioxide

被引：47

作者：

Bond, EM ^{[1
]}

Engelhardt, U ^{[1
]}

Deere, TP ^{[1
]}

Rapko, BM ^{[1
]}

Paine, RT ^{[1
]}

FitzPatrick, JR ^{[1
]}

机构：

[1] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545

来源：

SOLVENT EXTRACTION AND ION EXCHANGE | 1997年 / 15卷 / 03期

关键词：

D O I：

10.1080/07366299708934484

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The liquid/liquid extraction of Am(III) from nitric acid solutions with chloroform solutions of 2,6 bis[(diphenylphosphino)methyl]pyridine N,P,P' trioxide (ENOPOPO) is examined. Americium(III) is efficiently extracted from aqueous solutions at high nitric acid concentrations (D-Am>3000 at 6M HNO3) and can be totally back extracted from the organic phase at 0.01M HNO3. The ligand dependency data suggest that two ligand molecules are coordinated to the americium. Additional aspects of the extraction mechanism are described.

引用

页码：381 / 400

页数：20

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