标准编号：ISO 18589-3:2007
中文名称：环境中辐射的测量 土壤 第3部分：γ放射性核素的测量
英文名称：Measurement of radioactivity in the environment — Soil — Part 3: Measurement of gamma-emitting radionuclides
发布日期：2007-12
标准范围
This part of ISO 18589 specifies the identification and the measurement of the activity in soils of a largenumber of gamma-emitting radionuclides using gamma spectrometry. This non-destructive method, applicableto large-volume samples (up to about 3 000 cm3), covers the determination in a single measurement of all theγ-emitters present for which the photon energy is between 5 keV and 3 MeV.This part of ISO 18589 can be applied by test laboratories performing routine radioactivity measurements as amajority of radionuclides is characterized by gamma-ray emission between 40 keV and 2 MeV.This part of ISO 18589 is suitable for the surveillance of the environment and the inspection of a site andallows, in case of accidents, a quick evaluation of gamma activity.
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