ISO 19361:2017

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ISO 19361:2017 is an international standard that outlines a test method for determining the activity of beta-emitting radionuclides using liquid scintillation counting. It provides specific conditions for measuring radioactivity in liquid samples, focusing on the preparation of scintillation sources and the counting process. This standard is applicable to a wide range of liquid samples, from a few Bq/l to 106 Bq/l.