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EN ISO 9698:2019

Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019) EN ISO 9698:2019

Publication date:   Jul 15, 2019

General information

60.60 Standard published   May 29, 2019

CEN

CEN/TC 230 Water analysis

European Norm

13.060.60   Examination of physical properties of water | 13.280   Radiation protection

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Scope

This document specifies a method by liquid scintillation counting for the determination of tritium activity concentration in samples of marine waters, surface waters, ground waters, rain waters, drinking waters or of tritiated water ([3H]H2O) in effluents.
The method is not directly applicable to the analysis of organically bound tritium; its determination requires additional chemical processing of the sample (such as chemical oxidation or combustion).
With suitable technical conditions, the detection limit may be as low as 1 Bq·l−1. Tritium activity concentrations below 106 Bq·l−1 can be determined without any sample dilution.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 9698:2015

NOW

PUBLISHED
EN ISO 9698:2019
60.60 Standard published
May 29, 2019