ISO 13168:2015 describes a test method for the simultaneous measurement of tritium and carbon-14 in water samples by liquid scintillation counting of a source obtained by mixing the water sample with a hydrophilic scintillation cocktail.
This is considered a screening method because of the potential presence of interfering nuclides in the test sample.
The method can be used for any type of environmental study or monitoring.
ISO 13168:2015 is applicable to all types of waters having an activity concentration ranging from 5 Bq/l to 106 Bq/l (upper limit of the liquid scintillation counters for direct counting). For higher activity concentrations, the sample can be diluted to obtain a test sample within this range.
Status: PublishedPublication date: 2015-07
Corrected version (en): 2016-08
Corrected version (fr): 2016-08
Edition: 1Number of pages: 16
Technical Committee: ISO/TC 147/SC 3 Radioactivity measurements
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Stage: 90.92 (To be revised)
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