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Homepage>ISO Standards>ISO 9698:2019-Water quality — Tritium — Test method using liquid scintillation counting
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download between 0-24 hoursReleased: 2019
ISO 9698:2019-Water quality — Tritium — Test method using liquid scintillation counting

ISO 9698:2019

ISO 9698:2019-Water quality — Tritium — Test method using liquid scintillation counting

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Standard´s number:ISO 9698:2019
Pages:25
Edition:3
Released:2019
DESCRIPTION

ISO 9698:2019


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.