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ISO/AWI 9698

Water quality — Tritium — Test method using liquid scintillation counting

General information

20.00     1 nën 2024

ISO

ISO/TC 147/SC 3

International Standard

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

PUBLISHED
ISO 9698:2019

NOW

IN_DEVELOPMENT
ISO/AWI 9698
20.00 New project registered in TC/SC work programme
1 nën 2024