ISO 13165-3:2016

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

Publication date: Mar 8, 2016

General information

Current stage: 90.92 Effective date: Nov 23, 2021

Originator: ISO

Owner: ISO/TC 147/SC 3

Type: International Standard

ICS: 13.060.60 17.240

Languages: English French

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Status: Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 13165-3:2016
90.92 Standard to be revised
Nov 23, 2021

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