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Parallel comprehensive two-dimensional gas chromatography

Citation

Yan, D and Tedone, L and Koutoulis, A and Whittock, SP and Shellie, RA, Parallel comprehensive two-dimensional gas chromatography, Journal of Chromatography A, 1524 pp. 202-209. ISSN 0021-9673 (2017) [Refereed Article]


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DOI: doi:10.1016/j.chroma.2017.09.063

Abstract

We introduce an information rich analytical approach called parallel comprehensive two-dimensional gas chromatography (2GC 2GC). This parallel chromatography approach splits injected samples into two independent two-dimensional column ensembles and provides two GC GC separations by using contra-directional thermal modulation. The first-dimension (1D) and second-dimension (2D) columns are connected using planar three-port microchannel devices, which are supplied with supplementary flow via two pressure controller modules. Precise carrier gas flow control at the junction of the 1D and 2D columns permits independent control of flow conditions in each separation column. The 2GC 2GC approach provides two entirely independent GC GC separations for each injection. Analysis of hop (Humulus lupulus L.) essential oils is used to demonstrate the capability of the approach. The analytical performance of each GC GC separation in the 2GC 2GC experimentis comparable to individual GC GC separation with matching column configurations. The peak capacity of 2GC 2GC is about 2 times than that of single GC GC system. The dual 2D chromatograms produced by this single detector system provide complementary separations and additional identification information by harnessing different selectivity provided by the four separation columns.

Item Details

Item Type:Refereed Article
Keywords:gas chromatography, comprehensive two-dimensional, 2GC 2GC, GC GC, flow control, contra-directional modulation
Research Division:Chemical Sciences
Research Group:Analytical Chemistry
Research Field:Flow Analysis
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Chemical Sciences
Author:Yan, D (Ms Dandan Yan)
Author:Tedone, L (Ms Laura Tedone)
Author:Koutoulis, A (Professor Anthony Koutoulis)
Author:Whittock, SP (Mr Simon Whittock)
Author:Shellie, RA (Associate Professor Robert Shellie)
ID Code:122872
Year Published:2017
Deposited By:Agriculture and Food Systems
Deposited On:2017-12-04
Last Modified:2017-12-04
Downloads:0

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