Distillate fractions boiling up to 350 0C were checked by the method of gas chromatography-mass-spectrometry in ten samples of a commercial mixture of West Siberian oils in which a total of 48 individual heteroatomic compounds were identified. Among identified in crude oil heteroatomic compounds there were 12 mercaptans paraffinic and naphthenic series, 16 phenols, 9 aliphatic alcohols and 11 ketones. It was shown that the majority of corrosive heteroatomic compounds were concentrated in the abovementioned heavy fuel oils.
identification, oils, chromatography-mass spectrometry, heteroatomic compounds, phenols, ketones, mercaptans
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