Effect of nitric acid distribution on extraction behavior of trivalent F-elements in a TRUEX system

被引：28
|
作者：
Fujii, Toshiyuki [1 ]
Aoki, Kansui [1 ]
Yamana, Hajimu [1 ]
机构：
[1] Kyoto Univ, Inst Res Reactor, Div Nucl Engn Sci, Osaka 5900494, Japan
来源：
SOLVENT EXTRACTION AND ION EXCHANGE | 2006年 / 24卷 / 03期
关键词：
nitric acid; TRUEX solvent; lanthanum; CMPO;
D O I：
10.1080/07366290600647002
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The extraction characteristics of nitric acid with a typical TRUEX (transuranic elements extraction) solvent, the mixture of octyl(phenyl)-N, N-diisobutylcarbamoylmethylphosphine oxide and tri-n-butyl phosphate dissolved in n -dodecane, were studied. From the extraction results of lanthanum, the concentration of CMPO, which was not bound to metal ions or nitric acid, were estimated. The estimated concentration was appropriate in comparison with the extraction results of nitric acid. The applicability of the determined effective CMPO concentration to the formulation of the distribution equilibrium of other f-elements was confirmed.
引用
收藏
页码：347 / 357
页数：11
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