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ISO 13165-3:2016

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Water quality — Radium-226 — Part 3: Test method using coprecipitation and gamma-spectrometry

Published By Publication Date Number of Pages
ISO 2016-03 22
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ISO 13165-3:2016 specifies the determination of radium-226 (226Ra) activity concentration in all types of water by coprecipitation followed by gamma-spectrometry (see ISO 18589-3).

The method described is suitable for determination of soluble 226Ra activity concentrations greater than 0,02 Bq l-1 using a sample volume of 1 l to 100 l of any water type.

For water samples smaller than a volume of 1 l, direct gamma-spectrometry can be performed following ISO 10703 with a higher detection limit.

NOTE This test method also allows other isotopes of radium, 223Ra, 224Ra, and 228Ra, to be determined.

ISO 13165-3:2016
$27.95