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Evaluation of ultrahigh-performance supercritical fluid chromatography–mass spectrometry as an alternative approach for the analysis of fatty acid methyl esters in aviation turbine fuel

Evaluation of ultrahigh-performance supercritical fluid chromatography–mass spectrometry as an alternative approach for the analysis of fatty acid methyl esters in aviation turbine fuel
Evaluation of ultrahigh-performance supercritical fluid chromatography–mass spectrometry as an alternative approach for the analysis of fatty acid methyl esters in aviation turbine fuel
The current international reference method (IP585/10) for the determination of rapeseed methyl ester (RME) in jet fuel [aviation turbine fuel (AVTUR), current specifications U.S. ASTM 1655 and DEF STAN 91-91] uses gas chromatography–mass spectrometry (GC–MS). The fuel matrix requirements demand that a slow temperature gradient method (50 min) must be used. The fuel matrix also limits the application of this approach in relation to the detection and quantification of low-carbon-number fatty acid methyl esters (FAMEs), e.g., coconut methyl ester (CME), C8–C14 from coconut oil, a feedstock for FAME production in the Pacific Rim region. A 3 min ultrahigh-performance supercritical fluid chromatography–mass spectrometry (UHPSFC–MS) method has been developed for the analysis of RME and CME. This is compared to the existing reference method and an adapted form of the reference GC–MS method for the detection of low-carbon-number FAMEs. The UHPSFC–MS method is approximately 20 times faster than the ASTM reference method, affords a comparable linear dynamic range for the detection of total FAME content up to 100 ppm with a linear correlation (R2 > 0.99 for RME), and is more suitable for the detection and quantification of lower chain length methyl esters.
0887-0624
2485-2492
Ratsameepakai, Waraporn
6c558a20-5318-4731-8a76-aea57a3c15f1
Herniman, Julie M.
530b1a36-1386-4602-8df7-defa6eb3512b
Jenkins, Tim J.
63ddbf15-d5da-4e88-8e29-49243d20459e
Langley, G. John
7ac80d61-b91d-4261-ad17-255f94ea21ea
Ratsameepakai, Waraporn
6c558a20-5318-4731-8a76-aea57a3c15f1
Herniman, Julie M.
530b1a36-1386-4602-8df7-defa6eb3512b
Jenkins, Tim J.
63ddbf15-d5da-4e88-8e29-49243d20459e
Langley, G. John
7ac80d61-b91d-4261-ad17-255f94ea21ea

Ratsameepakai, Waraporn, Herniman, Julie M., Jenkins, Tim J. and Langley, G. John (2015) Evaluation of ultrahigh-performance supercritical fluid chromatography–mass spectrometry as an alternative approach for the analysis of fatty acid methyl esters in aviation turbine fuel. Energy & Fuels, 29 (4), 2485-2492. (doi:10.1021/acs.energyfuels.5b00103).

Record type: Article

Abstract

The current international reference method (IP585/10) for the determination of rapeseed methyl ester (RME) in jet fuel [aviation turbine fuel (AVTUR), current specifications U.S. ASTM 1655 and DEF STAN 91-91] uses gas chromatography–mass spectrometry (GC–MS). The fuel matrix requirements demand that a slow temperature gradient method (50 min) must be used. The fuel matrix also limits the application of this approach in relation to the detection and quantification of low-carbon-number fatty acid methyl esters (FAMEs), e.g., coconut methyl ester (CME), C8–C14 from coconut oil, a feedstock for FAME production in the Pacific Rim region. A 3 min ultrahigh-performance supercritical fluid chromatography–mass spectrometry (UHPSFC–MS) method has been developed for the analysis of RME and CME. This is compared to the existing reference method and an adapted form of the reference GC–MS method for the detection of low-carbon-number FAMEs. The UHPSFC–MS method is approximately 20 times faster than the ASTM reference method, affords a comparable linear dynamic range for the detection of total FAME content up to 100 ppm with a linear correlation (R2 > 0.99 for RME), and is more suitable for the detection and quantification of lower chain length methyl esters.

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More information

e-pub ahead of print date: 11 March 2015
Published date: 16 April 2015
Organisations: Chemistry, Faculty of Natural and Environmental Sciences

Identifiers

Local EPrints ID: 391404
URI: http://eprints.soton.ac.uk/id/eprint/391404
ISSN: 0887-0624
PURE UUID: 4cdf6bd3-96fc-4a2f-9fc1-8c17281697ec
ORCID for Julie M. Herniman: ORCID iD orcid.org/0000-0003-4834-1093
ORCID for G. John Langley: ORCID iD orcid.org/0000-0002-8323-7235

Catalogue record

Date deposited: 12 Apr 2016 10:48
Last modified: 05 Nov 2019 02:06

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