Methods for sampling and determining isotope ratio of underground water

Methods for sampling and determining stable and radioactive isotope ratio in underground waters and applied equipment are considered. It is shown that at present stable isotopes are determined by mass-spectrometric method using different type mass spectrometers which schematic diagram and technical date are presented in the paper. Radioactive isotopes - by emanation method using scintillation α-radiometers, α- and β-spectrometry. 48 refs.; 74 figs.; 22 tabs