铀与痕量镤的分离纯化方法

Jun-de WU,Yuan-zhen YUE, Lei YANG,You-qian DING,Guo-shu MAO, Yong-li LIU, Yao-yang LIU,Cai-shan JIAO

Journal of Nuclear and Radiochemistry（2018）

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Abstract

在高浓铀年龄的测量过程中,涉及到U、Pa的分离提取.本工作以天然铀、自制233Pa为指示剂,研究了HCl、HF浓度等对TEVA树脂吸附U、Pa的影响,建立了TEVA色层法分离提取U和Pa的方法.结果表明:Pa的放化收率为99％,对Pa的去污因子为5.4×103;U的化学收率为96％,对U的去污因子为2.8×103.

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