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ISO 13165-1:2022

Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting

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.

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