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About This Item
Full Description
ISO 9698:2019 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.
Document History
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ISO 9698:2019
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Water quality - Tritium - Test method using liquid scintillation counting- Most Recent
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ISO 9698:2010
Water quality - Determination of tritium activity concentration - Liquid scintillation counting method- Historical Version
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ISO 9698:1989
Water quality - Determination of tritium activity concentration - Liquid scintillation counting method- Historical Version