TY JOUR TI Problematic issues of determining the amount of narcotic drug d-lysergide (LSD, LSD-25) on paper carriers KW d-lysergide (LSD KW LSD-25) KW "blotter" KW quantitative determination KW sizes of narcotic drugs and psychotropic substances KW extraction KW dry precipitate KW examination of narcotic drugs KW psychotropic substances and their precursors. JO Vestnik of the East Siberian institute of the Ministry of internal affairs of the Russian Federation AU Lebedenko, S.E. AU Zaer, E.V. PY 2023 IS 0 PB East Siberian institute of the Ministry of Internal Affairs of the Russian Federation