MASS SPECTROMETRIC STUDY OF TAR-ASPHALTENIC COMPOUNDS OF GEORGIAN OILS
Journal Title: World Science - Year 2018, Vol 3, Issue 5
Abstract
When studying high-boiling compounds of oils characterized by an extremely complex composition and a large variety of molecules in them, methods for detection and identification of polycyclic condensed aromatic systems which are known to be a main structural blocks of tar-asphaltenic compounds are of certain interest. To study these systems of tar-asphaltenic compounds of oils we used a hydropyrolytic method of hydrocarbon fragmentation. In this paper are presented the results of GLC and mass spectrometric study of the products of hydropyrolysis of tars and asphaltenes from Norio (aromatic), Samgori (paraffinic) and Supsa (tarry) oils of Georgia having various chemical nature. Investigation of hydrocarbon composition of hydropyrolysates of tars and asphaltenes shows that they all contain the same aromatic structures. In these oils the structures of naphthalene, fluorene, diphenyl, phenanthrene, pyrene, chrysene, perylenes and their derivatives were identified.
Authors and Affiliations
Natela Khetsuriani, Esma Usharauli, Ketevan Goderdzishvili, Irina Mchedlishvili
Keywords
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