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ISO FDIS 13165-1

2012 Edition, December 12, 2012

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WATER QUALITY - RADIUM 226 - PART 1: TEST METHOD USING LIQUID SCINTILLATION COUNTING



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Superseded By: ISO 13165-1

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NOW A PUBLISHED STD * SEE ISO 13165-1
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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/l. This test method utilizing currently available liquid scintillation counters goes down to 50 mBq/l. This method is not applicable to the measurement of other radium isotopes.
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