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ISO 9698:2019

Water quality — Tritium — Test method using liquid scintillation counting

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 9698:2019
Document Year: 2019
Pages: 25
Edition: 3
  • ICS:
  • 13.060.60 Examination of physical properties of water
  • 13.280 Radiation protection

Life Cycle

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ISO 9698:2019

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