Planar microfluidic devices coupled with modern electronic pressure control have allowed gas chromatography (GC) practitioners to easily manipulate chromatographic systems to achieve heart cut and back-flushing configurations. These planar microfluidic devices have enhanced the connectivity between different components of GC instrumentation and have improved the inertness and minimised system dead volumes compared to classical chromatographic unions and valves. In the present contribution the setup and configuration of two multidimensional GC (MDGC) platforms is described for achieving the separation and quantification of trace level target C₆–C₈ alkylbenzenes in styrene monomer and Isoparaffin™ solvents, using flame ionisation detection (FID). The performance of these MDGC platforms indicated excellent retention time (0.2% relative standard deviation, RSD) and peak area repeatability (1% RSD) for all analytes of interest. The limit of detection (LOD) was 0.8 mg kg⁻¹ for benzene in styrene monomer, and 2.4–2.8 mg kg⁻¹ for C₆–C₈ alkylbenzenes such as benzene, toluene, ethylbenzene and xylene in Isoparaffin™ solvent.

Item Type:	Refereed Article
Keywords:	gas chromatography, multidimensional, heart cut, back-flush, benzene, alkylbenzenes
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:	Jacobs, MR (Mr Matthew Jacobs)
UTAS Author:	Gras, R (Ms Ronda Gras)
UTAS Author:	Nesterenko, PN (Professor Pavel Nesterenko)
UTAS Author:	Luong, J (Mr Jim Luong)
UTAS Author:	Shellie, RA (Associate Professor Robert Shellie)
ID Code:	104228
Year Published:	2015
Web of Science® Times Cited:	3
Deposited By:	Chemistry
Deposited On:	2015-11-04
Last Modified:	2017-10-29
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