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中国原子能科学研究院计量测试部
纸质出版日期:2011-07-01
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[1]叶宏生,徐利军,夏文,林敏,陈克胜.裂变产物中~(89)Rb的分离[J].核技术,2011,34(07):499-502.
YE Hongsheng XU Lijun XIA Wen CHEN Kesheng LIN Min. The separation of 89Rb from fission products[J]. Nuclear techniques, 2011, 34(7): 499-502.
为将短寿命核素89Rb从裂变产物中分离出来
考虑从其母核放射性惰性气体核素(Kr)开始分离。在已建立的低温冷阱分离装置上改造出双冷阱
以实现惰性气体核素的Kr-Xe的两步分离。结合气体同位素交换技术
成功地从复杂裂变产物中将89Rb与Xe、Cs等干扰核素分离
大部分?核素的去污系数达到104以上。
To separate short-lived nuclide 89Rb from fission products
the separation could be started from their parent nuclides(Kr).An established frozen cold trap was rebuilt to separate inert gas Kr-Xe nuclides in two steps.The theory is based on that different gases have different saturated vapor tensions.With isotopic exchanging technology
the setup has been applied successfully in the separation of 89Rb from complicated fission products.Decontamination factors of main γ-emitters are higher than 1×104.
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