Reference number
ISO 13165-1:2022
© ISO 2025
International Standard
ISO 13165-1:2022
Water quality — Radium-226 — Part 1: Test method using liquid scintillation counting
Edition 2
2022-11
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Published (Edition 2, 2022)

ISO 13165-1:2022

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CHF 98
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Abstract

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.

General information

  • Status
     : Published
    Publication date
     : 2022-11
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 147/SC 3
    ICS :
    17.240  13.060.60 
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