This textbook is compiled in accordance with the discipline program "Spectroscopic methods of analysis" for chemical faculties of state universities, which is a component of the variable part of the profile "Analytical chemistry" of component B. 3 bachelor's degree curriculum in the direction 020100 ? Chemistry. This manual is aimed at the introduction of information technologies in analytical chemistry. The introduction of the Atom program into the educational process will allow mastering a new way of recording spectra, computer processing of analytical signals and metrological evaluation of measurement results. The manual considers the theoretical foundations of atomic emission spectroscopy, the applied equipment and the main methods of quantitative determinations by the method of arc atomic spectrometry with a multichannel emission spectrum analyzer .. The practical part describes the technique and methodology of laboratory work. For students of chemical faculties of universities, as well as graduate students, employees of research and analytical laboratories .