Effect of the chemical composition of the standard calibration source for measuring radionuclides in biological samples by gamma spectrometry

文献类型: 外文期刊

第一作者: Yang, Baolu

作者: Yang, Baolu;Ha, Yiming;Li, An;Yang, Baolu;Ha, Yiming;Li, An

作者机构:

关键词: Chemical composition;Atomic number;Gamma spectrometry;LabSOCS

期刊名称:JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY ( 影响因子:1.371; 五年影响因子:1.28 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Sample composition is a very important but easily ignored factor affecting the measurement of radionuclides in biological samples. In this paper, we study the effect of the chemical composition of the standard calibration source on determining radionuclides using Laboratory Sourceless Object Calibration Software. Results show that the accuracy of determining radionuclides emitting low-energy photons (<100 keV) strongly depends on the differences between the average atomic numbers of the test samples and selected standard reference material (SRM). We also find that high moisture content reduces detection efficiency, especially for low-energy gamma rays.

分类号: O64

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