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.
Status: PublishedPublication date: 2019-05
Edition: 3Number of pages: 25
Technical Committee: ISO/TC 147/SC 3 Radioactivity measurements
This standard contributes to the following Sustainable Development Goals:
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ISO 9698:2019Stage: 60.60
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