Abstract: Measurement of γ-ray spectra and method of data analysis are descri-bed for the research of nuclear chemistry. Gamma-ray spectra are collected as afunction of time and are analysed by the computer codes GAMA33 or LEONE.Decay curves are constructed by selection of characteristic γ-rays using the com-puter code SORT. The analysis of half-life and identification of nuclides areperformed with the interactive computer code TAU85 and Tektronix graphics ter-minal. Nuclear reaction cross-sections are calculated on weighted average of all theobserved γ-rays for each nuclide after duplicate or erroneous identifications are screened.