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125i de ye ti shan shuo zhi chi wu ce liang fa
Author(s): 
Pages: 18-24
Year: Issue:  1
Journal: Radiation Protection

Keyword:  液体闪烁测量支持物125 I醋酸纤维素滤膜;
Abstract: 本文介绍了在支持物上测量125I 的液体闪烁方法,它既不需要内部测量法的有机金属化合物,也不需要外部测量法的杯内样品管。醋酸纤维素膜是一种理想的支持物,不但有较高的计数效率(44.1%),而且适当选择闪烁液和样品系统,可基本上不污染闪烁液,又有良好的可叠加性。文中还比较了支持物上和均相中的125I 能谱,及3H 和125I 支持物测量的差异。
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