Liquid-liquid extraction of thorium (IV) with hexaacetato calix(6)arene

被引：0
|
作者：
D. D. Malkhede
P. M. Dhadke
S. M. Khopkar
机构：
[1] University of Bombay,Department of Chemical Technology
来源：
Journal of Radioanalytical and Nuclear Chemistry | 1999年 / 241卷
关键词：
Physical Chemistry; Inorganic Chemistry; Toluene; Uranium; Nitric Acid;
D O I：
暂无
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学科分类号：
摘要：
Thorium(IV) was quantitatively extracted at pH 7.5 with 0.0001M of hexaacetato calix(6)arene in toluene and after stripping with 0.05M nitric acid, it was determined spectrophotometrically at 545 nm with thoron. Thorium(IV) was separated from commonly associated elements in fission products like uranium(VI), cesium(I), lead(II), strontium(II) and cerium(IV) in varying proportions. The method is simple, rapid, selective and applicable for the microgram concentrations of thorium(IV).
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页码：179 / 182
页数：3
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