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Determination of n-Alkanes in Jet Fuel by Cold-electron Ionization Gas Chromatography-Mass Spectrometry
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry. University of Victoria, Canada.
Number of Authors: 3
2017 (English)In: Analytical Letters, ISSN 0003-2719, E-ISSN 1532-236X, Vol. 50, no 10, 1593-1601 p.Article in journal (Refereed) Published
Abstract [en]

A rapid, easy, and reliable method was developed for the characterization of jet fuel with minimal sample preparation. A standard solution of 13 aliphatic n-alkanes in hexane was used to evaluate and validate the separation using cold-electron ionization gas chromatography-mass spectrometry. The method was evaluated and validated by the linearity, accuracy, and precision for all analytes. The limits of detection and quantification for each n-alkane were also evaluated. Nine major n-alkanes from n-octane to n-hexadecane were positively identified and quantified in jet fuel due to the enhanced molecular ion in the mass spectra. Major n-alkanes and their corresponding isomers in jet fuel were also identified from the extracted ion chromatograms. n-Undecane, n-dodecane, n-tridecane, and n-tetradecane were present at the highest concentrations in jet fuel at approximately 7% (v/v). The total concentrations of total straight chain alkanes were 34-37% in jet fuel that was comparable with the standard value of 32%.

Place, publisher, year, edition, pages
2017. Vol. 50, no 10, 1593-1601 p.
Keyword [en]
Cold-electron ionization, gas chromatography-mass spectrometry, jet fuel, n-alkanes
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-147248DOI: 10.1080/00032719.2016.1239206ISI: 000406718400004OAI: oai:DiVA.org:su-147248DiVA: diva2:1143040
Available from: 2017-09-20 Created: 2017-09-20 Last updated: 2017-09-20Bibliographically approved

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