%0 Journal Article %T INSTRUMENTAL METHODS IN MODERN FIRE-TECHNICAL EXPERTISE. 5. CHROMATOGRAPHIC RESEARCH METHODS %A Cheshko, I.D. %A Yatsenko, L.A. %A Princeva, M.Y. %K chromatography, gas chromatography, gas-liquid chromatography, ion chromatography, thin-layer chromatography, high-performance liquid chromatography, fire-technical expertise, research objects %J MONITORING AND EXPERTISE IN SAFETY SYSTEM %D 2023 %N 2023 %P 8 %I Saint-Petersburg University of State Fire Service of Emercom of Russia