Interpretation of Gamma-ray spectrometry method for the determination of radionuclides in environmental and biological samples
As a rapid analytical method for both the types and activities of γ radionuclides,the γ-ray spectrometry method is widely used in the measurement of γ radionuclides in environmental and biological samples.The Gamma-ray Spectrometry Method for the Determination of Radionuclides in Environmental and Biological Samples(GB/T 16145-2022)was imple-mented on July 1,2023,replacing the Determination of Radionuclides in Soil by Gamma Spectrometry(GB/T 11743-2013),Determination of Radionuclides in Water by Gamma Spectrometry(GB/T 16140-2018),Gamma Spectro-metry Method of Analyzing Radionuclides in Biological Samples(GB/T 16145-2020),and Determination of Radionuclides in Air by Gamma Spectrometry(WS/T 184-2017).The background of the revised standard,the content and basis of the main revisions,and some issues that need to be discussed are briefly explained in this paper,in order to provide a useful ref-erence for the detection of radioactivity in soil,water,biological,and air samples,as well as samples of similar matrices.
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