The paper evaluates the performances of nonylphenol ethoxylates free cocktail (ProSafe LT+, Meridian Biotechnologies Ltd.) for tritium measurement using liquid scintillation counting and the laboratory’s routine procedure. The optimum ratio… Click to show full abstract
The paper evaluates the performances of nonylphenol ethoxylates free cocktail (ProSafe LT+, Meridian Biotechnologies Ltd.) for tritium measurement using liquid scintillation counting and the laboratory’s routine procedure. The optimum ratio of sample and liquid scintillation cocktail for 20 ml vial volume was investigated, choosing a ratio of 8:12 ml of sample: scintillation cocktail. Good results were obtained for linearity (investigated between 0.3 MBq l−1 and 6 Bq l−1), repeatability, and trueness, and prove its applicability both for operation and environmental monitoring of tritium at nuclear facilities.
               
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