This document describes methods for determining the activity, expressed in becquerel (Bq), of gamma-emitting radionuclides in test samples, by gamma spectrometry. The measurements are carried out in a test laboratory after preparation.
NF M60-836*NF EN ISO 20042:2021 history
2021NF M60-836*NF EN ISO 20042:2021 Measurement of radioactivity - Gamma-ray emitting radionuclides - Generic test method using gamma-ray spectrometry