Marija Petrin, Milan Vraneš, Sanja Podunavac-Kuzmanović, Slobodan Gadžurić, Strahinja Kovacevic,

slobodan gadžurić department of chemistry, biochemistry & environmental protection, faculty of science, university of novi sad, trg d. obradovića 3, 21000 novi sad, serbia sanja o podunavac-kuzmanović faculty of technology, university of novi sad, bulevar cara lazara 1, 21000 novi sad, serbia milan b vraneš department of chemistry, biochemistry & environmental protection, faculty of science, university of novi sad, trg d. obradovića 3, 21000 novi sad, serbia marija petrin national forensic technical centre in novi sad, pap pavla 46, novi sad, serbia strahinja z. kovacevic university of novi sad, faculty of technology, department of applied and engineering chemistry