Separation of magnesium isotopes by chemical exchange with a polymer-bound azacrown compound

被引：0

作者：

D. W. Kim

B. G. Kim

C. S. Kim

Y. K. Jeong

J. S. Kim

Y. S. Jeon

机构：

[1] Chungbuk National University,Department of Chemistry, Physical Chemistry Laboratory, College of Natural Sciences

[2] Chungbuk National University,Department of Chemistry Education, College of Education

[3] Konyang University,Department of Chemistry

[4] Korea Atomic Energy Research Institute,Division of Chemical Analysis

来源：

Journal of Radioanalytical and Nuclear Chemistry | 1997年 / 222卷

关键词：

Peptide; Chloride; Ammonium; Magnesium; Chloride Solution;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The chromatographic separation of magnesium isotopes was investigated by chemical exchange with the recently synthesized 1-oxa-4,7,10,13-tetraazacyclopentadecane-4,7,10,13-tetramerrifield peptide resin [N4O·4M]. The capacity of the novel N4O-4 Merrifield ion exchanger was 1.0 meq/g dry resin. The heavier isotope26Mg concentrated in the resin phase, while the lighter isotopes24Mg, and25Mg are enriched in the fluid phase. The maximum separation factors α, for25Mg−26Mg and24Mg−26Mg were found to be 1.048 and 1.022, respectively, at 20.0±0.02 °C with 2.0 M ammonium chloride solution as an eluent.

引用

页码：253 / 255

页数：2

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