无载体^(109)Cd的制备工艺研究  

PREPARATION OF CARRIER-FREE ^(109)Cd

作　　者：孙树正 崔海平[1] 张锦荣[1] 孙玉华[1] 贾璋[1] 张兴治[1] 

机构地区：[1]中国原子能科学研究院

出　　处：《同位素》1989年第4期200-205,共6页Journal of Isotopes

摘　　要：本文报告了从加速器辐照后的银靶中分离和纯化^(109)Cd的简便、高效方法。靶物用硝酸溶解后,首先利用银离子与铜的电化学交换反应除去溶液中的银离子,然后利用717型阻离子交换树脂纯化^(109)Cd。将此工艺用于热分离实验,所得^(109)Cd样品中未检出其他放射性杂质,化学收率为99%。A simple and effective method for the separation and purification of ^(109)Cd produced by cyclotron is reported. The Ag target was dissolved with HNO_3. Ag was separated by electrochemical exchange; then ^(109)Cd was purified by anion exchange. The procedure was used to produce carrier-free ^(109)Cd successfully. No γ impurities were found in the ^(109)Cd obtained. The chemical yield was 99%.

关 键 词：无载体 镉109 制备工艺 

分 类 号：TL922[核科学技术—核燃料循环与材料]