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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]
Copyright Statement
Copyright 2017 Elsevier B.V.
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 |
| Web of Science® Times Cited: | 1 |
| Deposited By: | Agriculture and Food Systems |
| Deposited On: | 2017-12-04 |
| Last Modified: | 2018-03-19 |
| Downloads: | 0 |
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