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ISO 4722-1:2023

Water quality — Thorium 232 — Part 1: Test method using alpha spectrometry
16 tet 2023

General information

60.60     16 tet 2023

ISO

ISO/TC 147/SC 3

International Standard

13.060.60     17.240  

anglisht   frëngjisht  

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Scope

This document specifies the method and the conditions for the determination of 232Th activity concentration in samples of environmental water (including sea waters) and waste waters before release to the environment using alpha spectrometry and 229Th as a recovery tracer. A chemical separation allows to separate and purify thorium from a test portion of the sample.
The general principles outlined in this document can be applied for the analysis of other alpha-emitting thorium isotopes such as 228Th and 230Th in aqueous samples.

Life cycle

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PUBLISHED
ISO 4722-1:2023
60.60 Standard published
16 tet 2023