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The amounts of individual components in the nonhydrocarbon aromatic portion of a Kuwait gas oil boiling in the range from 218 to 345°C are reported. Twenty-eight nonhydrocarbon aromatic components were isolated and identified from their separated fractions. The majority are C1-C5 benzo- and dibenzothiophenes. The compounds were isolated principally by using preparative scale high performance liquid chromatography, and identified by nuclear magnetic resonance and gas chromatography supplemented by mass spectrometry.
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Ijam et al. (1992) studied this question.
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