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Multidimensional GC using planar microfluidic devices for the characterization of phenolic antioxidants in fuels
Citation
Luong, J and Gras, R and Cortes, HJ and Shellie, RA, Multidimensional GC using planar microfluidic devices for the characterization of phenolic antioxidants in fuels, Journal of Separation Science, 36, (17) pp. 2738-2745. ISSN 1615-9306 (2013) [Refereed Article]
Copyright Statement
Copyright 2013 Wiley-VCH Verlag GmbH & Co.
DOI: doi:10.1002/jssc.201300383
Abstract
A multidimensional gas chromatographic approach using planar microfluidic devices for
Deans switching has been developed and implemented for the characterization of sterically
hindered phenolic compounds used as antioxidants in fuels. Detection and quantitation was
conducted with MS in selected ion monitoring mode. A complete analysis is conducted in
less than 15 min with precision greater than 5.5% at 1 and 25 ppm w/w (ppmw). LODs of
50 ppb w/w (ppbw) or better in selected ion monitoring mode and a linear range of 100 ppbw
to 100 ppmw with a correlation coefficient greater than 0.998 were attained for all analytes.
Unique to this analytical configuration is the use of a mass spectrometer capable of monitoring
the column effluent from either dimension by incorporating a high-temperature
rotary valve and a three-port planar microfluidic device. High-molecular-weight (C25–C40)
fuel contaminants eluting from the first column can be selectively sent to the mass spectrometer
for profile characterization in scan mode. These compounds would otherwise
be retained substantially by the low-phase-ratio analytical column employed in the second
dimension.
Item Details
Item Type: | Refereed Article |
---|---|
Keywords: | antioxidants, ethylene glycol, multidimensional gas chromatography, planar microfluidic devices, sterically hindered phenolic compounds |
Research Division: | Chemical Sciences |
Research Group: | Analytical chemistry |
Research Field: | Separation science |
Objective Division: | Expanding Knowledge |
Objective Group: | Expanding knowledge |
Objective Field: | Expanding knowledge in the chemical sciences |
UTAS Author: | Luong, J (Mr Jim Luong) |
UTAS Author: | Cortes, HJ (Dr Hernan Cortes) |
UTAS Author: | Shellie, RA (Associate Professor Robert Shellie) |
ID Code: | 86400 |
Year Published: | 2013 |
Web of Science® Times Cited: | 7 |
Deposited By: | Austn Centre for Research in Separation Science |
Deposited On: | 2013-09-12 |
Last Modified: | 2014-05-08 |
Downloads: | 0 |
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