ISO 9698:2019
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ISO 9698:2019
69649

Abstract  Preview

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 

  •  :  Published
     : 2019-05
  •  : 3
     : 25
  •  : ISO/TC 147/SC 3 Radioactivity measurements
  •  :
    13.280 Radiation protection
    13.060.60 Examination of physical properties of water

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