M00000839
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ISO 13165-1 1st Edition, April 15, 2013 Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 13165 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 counting.
Radium-226 activity concentrations which can be measured by this
test method utilizing currently available liquid scintillation
counters goes down to 50 mBq 1-1. This method is not
applicable to the measurement of other radium isotopes.