Abstract
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.
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General information
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Status: PublishedPublication date: 2019-05Stage: International Standard under systematic review [90.20]
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Edition: 2Number of pages: 39
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Technical Committee :ISO/TC 85/SC 2
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Life cycle
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Previously
WithdrawnISO 11665-9:2016
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