EXTRACTION AND ENRICHMENT OF CADMIUM AND MANGANESE FROM AQUEOUS-SOLUTION USING A LIQUID MEMBRANE

被引：14
|
作者：
LI, YT [1 ]
WANG, AX [1 ]
VANLOON, JC [1 ]
BAREFOOT, RR [1 ]
机构：
[1] UNIV TORONTO,DEPT GEOL,TORONTO M5S 3B1,ONTARIO,CANADA
来源：
TALANTA | 1992年 / 39卷 / 10期
关键词：
D O I：
10.1016/0039-9140(92)80247-B
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A liquid membrane containing 4% di-2-ethylhexyl phosphoric acid and 5% sorbitan monooleate in kerosene is used in the form of an emulsion for the simultaneous extraction and concentration of cadmium and manganese from aqueous solutions. When 4% tri-n-octylamine is included in the membrane composition, only manganese is extracted while cadmium remains in the sample solution. The extracted elements in the concentrate are recovered by breaking the emulsion with n-butanol. Recoveries of cadmium and manganese range from 92-104% for 60-ml samples containing 2-9-mu-g of each element.
引用
收藏
页码：1337 / 1341
页数：5
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