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dnaSRPS EN ISO 13169:2025

Water quality - Uranium - Test method using alpha liquid scintillation counting (ISO/FDIS 13169:2026)

General information

50.20     Oct 1, 2026

50.60    Nov 27, 2026

ISS

H147

European Norm

17.240     13.060.60  

English  

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.

Life cycle

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PROJECT
dnaSRPS EN ISO 13169:2025
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 1, 2026

Related project

Adopted from FprEN ISO 13169 IDENTICAL

Adopted from ISO/FDIS 13169 IDENTICAL

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