ISO 23547:2022

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ISO 23547:2022 is an international standard that provides detailed specifications for reference measurement standards used in calibrating gamma-ray spectrometers. It focuses on gamma-emitting radionuclides, outlining characteristics for both solid, liquid, and gaseous sources, along with recommended reference radiations. The standard doesn't cover the specific procedures for using these standards, which are detailed in ISO 20042 and other related documents.