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.
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页码：253 / 255
页数：2
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