Extraction of U(VI) and Th(IV) from nitric acid solutions with N,N,N',N'-tetrahexylsuccinylamide

被引：8
|
作者：
Wang, YS [1 ]
Sun, GX [1 ]
Bao, BR [1 ]
Sun, SX [1 ]
机构：
[1] SHANDONG UNIV,DEPT CHEM,JINAN 250100,PEOPLES R CHINA
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 1997年 / 219卷 / 01期
关键词：
Physical Chemistry; Enthalpy; Inorganic Chemistry; Nitric Acid; Acid Concentration;
D O I：
10.1007/BF02040277
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A new diamide N,N,N',N'-tetrahexylsuccinylamide (THSA) was synthesized, characterised and used for the extraction of U(V) and Th(IV) from nitric acid solutions in a diluent composed of 50% 1,2,4-trimethlylbenzene (TMB) and 50% kerosene (OK). Extraction distribution coefficients of U(VI) and Th(IV) as a function of aqueous nitric acid concentration, extractant concentration and temperature have been studied. The composition of extracted species, equilibrium constants and enthalpies of extraction reactions have also been calculated. The IR spectra of saturated extraction of U(VI) and Th(IV) were recorded.
引用
收藏
页码：119 / 121
页数：3
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