ISO-4722-1 › Water quality - Thorium 232 - Part 1: Test method using alpha spectrometry
ISO-4722-1
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1ST EDITION
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CURRENT
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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.
To find similar documents by classification:
13.060.60 (Examination of physical properties of water)
17.240 (Radiation measurements Including dosimetry Radiation protection, see 13.280)
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Document Number
ISO 4722-1:2023
Revision Level
1ST EDITION
Status
Current
Publication Date
Oct. 1, 2023
Committee Number
ISO/TC 147/SC 3