SOLVENT-EXTRACTION OF DIOXOURANIUM(VI) WITH DIALKYLDITHIOPHOSPHORIC ACIDS .4. PARTITION IN BENZENE-WATER SOLVENT SYSTEM

被引：18

作者：

CURTUI, M ^{[1
]}

HAIDUC, I ^{[1
]}

MARCU, G ^{[1
]}

机构：

[1] BABES BOLYAI UNIV,DEPT CHEM,R-3400 CLUJ NAPOCA,ROMANIA

来源：

JOURNAL OF RADIOANALYTICAL CHEMISTRY | 1978年 / 44卷 / 01期

关键词：

D O I：

10.1007/BF02517682

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The extraction of dioxouranium(VI) species from acidic aqueous solutions into benzene, in the presence of dialkyldithiophosphoric acids occurs with moderate partition coefficients, increasing with the length of the alkyl chain. The mechanism involves the formation of neutral [UO2[S2P(OR)2]2] species soluble in benzene, the partition is strongly affected by complexation in the aqueous phase, when the alkyl chain is short. Distribution coefficients and extraction constants have been determined under various conditions. © 1978 Akadémiai Kiadó.

引用

页码：109 / 117

页数：9