%0 Journal Article %T PROBLEMS OF METHODOLOGY FOR FORENSIC STUDY OF POISONOUS SUBSTANCES %A Kuzovlev, V.Y. %A Kharchenko, I.V. %A Geraskin, M.Y. %K examination of toxic substances; forensic research; x-ray methods of analysis; chromatographic methods of analysis; infrared spectrophotometry; examination of materials, substances and prod-ucts; comprehensive expertise; sample preparation; mass spectrometry in inductively coupled plas-ma; AIRS “AIPSIN-Antinarcotics” %J VESTNIK ADVANCED TRAINING INSTITUTE OF THE MIA OF RUSSIA %D 2023 %N 0 %P 7 %I All-Russian Advanced Training Institute of the Ministry of the Interior of the Russian Federation