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ISO 13169:2018

Water quality — Uranium — Test method using alpha liquid scintillation counting ISO 13169:2018

Publication date:   Jul 4, 2018

General information

90.92 Standard to be revised   Jun 17, 2024

ISO

ISO/TC 147/SC 3 Radioactivity measurements

International Standard

13.060.60   Examination of physical properties of water | 17.240   Radiation measurements

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Scope

This document specifies the measurement method for the determination of total activity concentration of uranium isotopes in non-saline waters by extraction and liquid scintillation counting.
This method covers the measurement of soluble uranium isotopes in water in activity concentrations between approximately 2·10−3 Bq/kg and 10 Bq/kg when analysing a 1 l test sample volume with a 60 000 s counting time with a typical alpha LSC instrument.
The ratio 234U/238U can also be determined. This method has not been tested for the measurement of other uranium isotopes.

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PUBLISHED
ISO 13169:2018
90.92 Standard to be revised
Jun 17, 2024

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IN_DEVELOPMENT
ISO/CD 13169