Abstract
This document specifies the determination of radium-226 (226Ra) activity concentration in non-saline water samples by extraction of its daughter radon-222 (222Rn) and its measurement using liquid scintillation analysis.
The test method described in this document, using currently available scintillation counters, has a detection limit of approximately 50 mBq·l−1. This method is not applicable to the measurement of other radium isotopes.
General information
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Status: PublishedPublication date: 2022-11Stage: International Standard published [60.60]
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Edition: 2Number of pages: 15
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Technical Committee :ISO/TC 147/SC 3
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WithdrawnISO 13165-1:2013
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