Determination of radionuclide impurities in pure beta radiation sources by semiconductor spectrometry

In many applications, the radionuclidic purity of a radioactive substance is crucial property. It involves, for example, production radiopharmaceuticals or reference standards used in metrology. However, identification admixtures not straightforward certain nuclides. The paper presents technique determination radionuclide impurities mixtures pure beta-emitting proposed method based on comparison measured beta spectra with detector responses to individual radionuclides. These are obtained using Monte Carlo calculation performed geometry corresponding accurate description measuring assembly.