一种用于测量环境放射性的先进分析程序的验证
Validation of an advanced analytical procedure applied to the measurement of environmental radioactivity.
作者信息
Thanh Tran Thien, Vuong Le Quang, Ho Phan Long, Chuong Huynh Dinh, Nguyen Vo Hoang, Tao Chau Van
机构信息
Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Viet Nam; Nuclear Technique Laboratory, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Viet Nam.
Department of Nuclear Physics, Faculty of Physics and Engineering Physics, VNUHCM-University of Science, 227, Nguyen Van Cu Street, District 5, Ho Chi Minh City, Viet Nam.
出版信息
J Environ Radioact. 2018 Apr;184-185:109-113. doi: 10.1016/j.jenvrad.2017.12.020.
In this work, an advanced analytical procedure was applied to calculate radioactivity in spiked water samples in a close geometry gamma spectroscopy. It included MCNP-CP code in order to calculate the coincidence summing correction factor (CSF). The CSF results were validated by a deterministic method using ETNA code for both p-type HPGe detectors. It showed that a good agreement for both codes. Finally, the validity of the developed procedure was confirmed by a proficiency test to calculate the activities of various radionuclides. The results of the radioactivity measurement with both detectors using the advanced analytical procedure were received the ''Accepted'' statuses following the proficiency test.
在这项工作中，应用了一种先进的分析程序来计算封闭几何γ能谱中加标水样的放射性。它包括MCNP-CP代码，以便计算符合求和校正因子（CSF）。使用ETNA代码的确定性方法对两种p型高纯锗探测器的CSF结果进行了验证。结果表明两种代码的结果吻合良好。最后，通过能力验证来计算各种放射性核素的活度，证实了所开发程序的有效性。使用先进分析程序对两种探测器进行放射性测量的结果在能力验证后获得了“认可”状态。
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