Anomalous solvent extraction behavior of astatine

被引：0
|
作者：
N. Takahashi
H. Baba
机构：
[1] Universität Mainz,Institut für Kernchemie
[2] Osaka University,Department of Chemistry and Laboratory of Nuclear Studies, Graduate School of Science
来源：
Journal of Radioanalytical and Nuclear Chemistry | 1997年 / 218卷
关键词：
Physical Chemistry; Inorganic Chemistry; Iodine; Acidic Solution; Solvent Extraction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We studied the solvent extraction behavior of astatine and found the anomalous behavior of this element similar to radioiodine. Astatine was extracted into CS2 from acidic solution over a wide range of carrier iodine concentration. The distribution ratios of astatine were determined by measuring the γ-ray from 210 At with a Nal(TI) detector. A drastic change was observed around at 10−4 mol/l as in the case of 131 I. This tendency is well explained by the kinematics of the chemical reactions concemed.
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页码：103 / 105
页数：2
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