标准编号:ISO 11665-9:2016
中文名称:环境中辐射的测量 空气:氡-222 第9部分:建筑材料析出率的测试方法
英文名称:Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials
发布日期:2016-02
标准范围
This standard specifies a method for the determination of the free radon exhalation rate of a batch of mineral based building materials. The standard only refers to 222Rn exhalation determination using two test methods: Liquid Scintillation Counting (LSC) and gamma ray spectrometry (Annex A and Annex B)The exhalation of thoron (220Rn) does not affect the test result when applying the determination methods described in this part of the standard.