INFLUENCE OF THERMAL DECOMPOSITION PRODUCTS OF CAR ROOM ON DETECTION AND IDENTIFICATION OF COMBUSTION INITIATORS BY FLUORESCENCE SPECTROSCOPY
The article presents the results of fluorescence analysis of extracts from the charred remnants of car mats made of transparent polymeric material. It has been established that upon thermal exposure to car mats for three minutes at temperatures from 200 to 400 ºС, two maximums of fluorescence are observed in the spectra of extracts in the regions of bicyclic (300-330 nm) and tricyclic (340-370 nm) aromatic hydrocarbons characteristic of traces heavy oil fractions (oil, grease, fuel oil.) or heavily burned diesel fuels. The results obtained must be taken into account when studying polymer car mats with traces of thermal damage.