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Comparison of conventional gas chromatography (1D-GC) and comprehensive two- dimensional gas chromatography (GCxGC) for the detailed analysis of petrochemical samples

Abstract : Comprehensive two-dimensional gas chromatography (GCxGC) has been investigated for the characterization of high valuable petrochemical samples from dehydrogenation of n-paraffins, Fischer-Tropsch and oligomerization processes. GCxGC separations, performed using a dual-jets CO2 modulator, were optimized using a test mixture representative of the hydrocarbons found in petrochemicals. For complex samples, a comparison of GCxGC qualitative and quantitative results with conventional gas chromatography (1D-GC) has demonstrated an improved resolution power of major importance for the processes: the group type separation has permitted the detection of aromatic compounds in the products from dehydrogenation of n-paraffins and from oligomerization, and the separation of alcohols from other hydrocarbons in Fischer-Tropsch products.
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Submitted on : Saturday, June 11, 2016 - 6:12:28 PM
Last modification on : Wednesday, November 17, 2021 - 12:33:10 PM

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Colombe Vendeuvre, Fabrice Bertoncini, Laurent Duval, Jean-Luc Duplan, Didier Thiébaut, et al.. Comparison of conventional gas chromatography (1D-GC) and comprehensive two- dimensional gas chromatography (GCxGC) for the detailed analysis of petrochemical samples. Journal of Chromatography A, Elsevier, 2004, 1056, pp.155-162. ⟨10.1016/j.chroma.2004.05.071⟩. ⟨hal-01330592⟩

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