The XRF data processing system created under the leadership of G. In the mid-70s of the last century, up to 25 people worked in the laboratory. The laboratory dealt with the solution of theoretical and applied problems of XRF analysis it served as a base for the training of X-ray physicists. It was necessary to solve issues related to the acquisition and installation of new X-ray spectrometers, as well as staffing of the laboratory. Pavlinsky started to work as head of the XRF laboratory at the Research Institute of Applied Physics at Irkutsk State University. In 1972, at the suggestion of the supervisor N. For the next few years, he, as part of a group of researchers, took part in the work on the formulation of X-ray spectral silicate analysis (determination Na 2O, MgO, Al 2O 3, SiO 2, P 2O 5, K 2O, CaO, TiO 2, MnO, and Fe 2O 3 in geological samples). After successfully defending his dissertation in November 1966, he was awarded the degree of Candidate of Physical and Mathematical Sciences (PhD). The results obtained formed the basis of his PhD thesis “Investigation of the intensity of the XRF spectrum excited by mixed primary radiation”. Pavlinsky developed a theory of XRF excitation, which considers the polychromatic of the primary radiation of X-ray tube, as well as the processes of selective excitation and absorption. Therefore, it is not surprising that the first programs for calculating the X-ray intensities of analytical lines for real excitation conditions appeared in Irkutsk. Training in programming for employees was organized in the academic institutes of the city of Irkutsk the computers were relatively affordable at that time.
Pavlinsky was engaged in the development of the theory of the XRF. In addition to performing routine analyzes of geological samples, G. Losev, who had already gained authority among X-ray physicists by that time, by developing several effective methods for XRF analysis of mineral raw materials. For the first 2 years, the young specialist was trained in the laboratory of N. Pavlinsky began his scientific activity at the Institute of Geochemistry of the Siberian Branch of the USSR Academy of Sciences (Irkutsk) as a senior laboratory assistant. His specialization was X-ray fluorescence (XRF) analysis. Pavlinsky graduated from the Faculty of Physics and Mathematics of the Irkutsk State University. Geliy Veniaminovich Pavlinsky was born on January 14, 1935, in Irkutsk. With a feeling of deep sorrow, we announce that on February 2, 2023, Professor Geliy Veniaminovich Pavlinsky passed away.
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