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Gas chromatographic-mass spectrometric identification of heteroatomic compounds in a commercial blend of West Siberian oils

Korovenkov, V. A. / Taldai, I. V. / Vyacheslavov, A. V.

Abstract The amount of heteroatomic (NSO) compounds in the commercial blend of West Siberian oils that arrives at the Kirishi refinery has been determined by gas chromatography-mass spectrometry. Ten representative samples of oils differing in the total sulfur content were examined. To isolate NSO compounds from oil, the alkali extraction and solid-phase extraction procedures were used. The NSO concentration in the alkali extracts was semiquantitatively determined with the use of propanethiol as an internal standard. The alkali and solid-phase extracts obtained from the oil fractions with bp below 350°C were found to contain 48 identifiable NSO compounds. Of these, aliphatic C6–C8 alcohols (mainly secondary and tertiary) and ketones have been isolated. The concentrations of 28 mercaptans and phenols in the oil were estimated.

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Gas chromatographic-mass spectrometric identification of heteroatomic compounds in a commercial blend of West Siberian oils

Korovenkov, V. A. / Taldai, I. V. / Vyacheslavov, A. V.

Abstract The amount of heteroatomic (NSO) compounds in the commercial blend of West Siberian oils that arrives at the Kirishi refinery has been determined by gas chromatography-mass spectrometry. Ten representative samples of oils differing in the total sulfur content were examined. To isolate NSO compounds from oil, the alkali extraction and solid-phase extraction procedures were used. The NSO concentration in the alkali extracts was semiquantitatively determined with the use of propanethiol as an internal standard. The alkali and solid-phase extracts obtained from the oil fractions with bp below 350°C were found to contain 48 identifiable NSO compounds. Of these, aliphatic C6–C8 alcohols (mainly secondary and tertiary) and ketones have been isolated. The concentrations of 28 mercaptans and phenols in the oil were estimated.

Gas chromatographic-mass spectrometric identification of heteroatomic compounds in a commercial blend of West Siberian oils

Korovenkov, V. A. / Taldai, I. V. / Vyacheslavov, A. V.

Abstract The amount of heteroatomic (NSO) compounds in the commercial blend of West Siberian oils that arrives at the Kirishi refinery has been determined by gas chromatography-mass spectrometry. Ten representative samples of oils differing in the total sulfur content were examined. To isolate NSO compounds from oil, the alkali extraction and solid-phase extraction procedures were used. The NSO concentration in the alkali extracts was semiquantitatively determined with the use of propanethiol as an internal standard. The alkali and solid-phase extracts obtained from the oil fractions with bp below 350°C were found to contain 48 identifiable NSO compounds. Of these, aliphatic C6–C8 alcohols (mainly secondary and tertiary) and ketones have been isolated. The concentrations of 28 mercaptans and phenols in the oil were estimated.

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Title:

Gas chromatographic-mass spectrometric identification of heteroatomic compounds in a commercial blend of West Siberian oils

Contributors:

Korovenkov, V. A. (author) / Taldai, I. V. (author) / Vyacheslavov, A. V. (author)

Published in:

Petroleum Chemistry ; 50 ; 95-101

Publication date:

2010-03-01

Size:

7 pages

ISSN:

1555-6239 , 0965-5441

DOI:

https://doi.org/10.1134/S0965544110020027

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Petroleum Chemistry , Mercaptan , Total Sulfur Content , Alkali Extract , Propanethiol Chemistry , Industrial Chemistry/Chemical Engineering

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