IEC 62089 pdf download Nuclear instrumentation – Calibration and usage of alpha/beta gas proportional counters 1Scope and object This International Standard applies to alpha/beta gas proportional counting systems used forthe determination of the alpha-ray or beta-ray emission rates of radionuclides in samplecounting. The intent is to establish standard methods for calibration and use of alpha/beta gasproportional counters, including measurement of...