ISO 11665-9:2016
International Standard
Historical
·
Approved on
03 February 2016
Measurement of radioactivity in the environment — Air: Radon-222 — Part 9: Test methods for exhalation rate of building materials
ISO 11665-9:2016 Files
English
38 Pages
Historical
84.41 BHD
ISO 11665-9:2016 Scope
ISO 11665-9:2016 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.
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