ISO 11665-9:2019-环境中放射性的测量 - 空气:氡-222 - 第9部分:建筑材料呼出速率的测试方法-国家数字标准馆

现行 ISO 11665-9:2019

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Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials 环境中放射性的测量 - 空气:氡-222 - 第9部分:建筑材料呼出速率的测试方法

发布日期： 2019-05-14

本文件规定了一种测定一批矿物基建筑材料游离氡析出率的方法。本文件仅涉及使用两种试验方法测定222Rn呼气:液体闪烁计数法（LSC）和伽马射线光谱法（见附录A和附录B）。
当采用本文件所述的测定方法时，thoron（220Rn）的呼气不会影响试验结果。

This document specifies a method for the determination of the free radon exhalation rate of a batch of mineral based building materials. This document only refers to 222Rn exhalation determination using two test methods: liquid Scintillation Counting (LSC) and gamma ray spectrometry (see Annex A and Annex B).
The exhalation of thoron (220Rn) does not affect the test result when applying the determination methods described in this document.

分类信息

发布单位或类别：国际组织-国际标准化组织

ICS分类： 13.040.01空气质量 - 空气质量综合、 17.240计量学和测量、物理现象 - 辐射测量

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研制信息

归口单位： ISO/TC 85/SC 2

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