TY JOUR TI THE DISCOVERY OF TRACES OF LIGHT OIL ON THE FIRE SPOT AT THE CASE OF ARSON KW sorbent KW solid phase extraction KW fire KW arson KW combustion accelerator KW inflammable and combustible liquids KW oil-products JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Klaptyuk, I.V. AU Cheshko, I.D. PY 2012 IS 2012 PB Saint-Petersburg University of State Fire Service of Emercom of Russia