Preparative Gas Chromatography (Prep-GC)

Leesun Kim, K L Tuck, P J Marriott

Research output: Chapter in Book/Report/Conference proceedingEncyclopaedia / Dictionary EntryOtherpeer-review

Abstract

Differentiating structural isomers using gas chromatography (GC) and mass spectrometry (MS) can be difficult and often further structural elucidation is required. This is also the case when new or unknown compounds need to be identified in complex organic mixtures. Once sufficient amounts of the desired compound are obtained,structural elucidation can be determined by using additional analytic techniques, such as nuclear magnetic resonance, Fourier transform infrared spectroscopy, x-ray crystallography, and accelerator mass spectrometry. In these cases, preparative-GC (prep) or preparative multidimensional gas chromatography, suitably designed with necessary trapping and heart-cutting devices in a conventional GC, can be used to isolate a single compound. This is achieved by the use of either a single collector or multiple collectors with flow switching that allows multiple component isolation. The amount of analyte collected can be increased with multiple injections, thus ensuring that the analyte obtained is of sufficient purity and collected in a quantity that allows for structural characterization. This article outlines approaches to the preparative technique and provides selected illustrative applications.
Original languageEnglish
Title of host publicationReference Module in Chemistry, Molecular Sciences and Chemical Engineering
EditorsJan Reedijk
PublisherElsevier
Number of pages10
ISBN (Print)9780124095472
Publication statusPublished - 2014

Cite this

Kim, L., Tuck, K. L., & Marriott, P. J. (2014). Preparative Gas Chromatography (Prep-GC). In J. Reedijk (Ed.), Reference Module in Chemistry, Molecular Sciences and Chemical Engineering Elsevier.
Kim, Leesun ; Tuck, K L ; Marriott, P J. / Preparative Gas Chromatography (Prep-GC). Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. editor / Jan Reedijk. Elsevier, 2014.
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Kim, L, Tuck, KL & Marriott, PJ 2014, Preparative Gas Chromatography (Prep-GC). in J Reedijk (ed.), Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier.

Preparative Gas Chromatography (Prep-GC). / Kim, Leesun; Tuck, K L; Marriott, P J.

Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. ed. / Jan Reedijk. Elsevier, 2014.

Research output: Chapter in Book/Report/Conference proceedingEncyclopaedia / Dictionary EntryOtherpeer-review

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AB - Differentiating structural isomers using gas chromatography (GC) and mass spectrometry (MS) can be difficult and often further structural elucidation is required. This is also the case when new or unknown compounds need to be identified in complex organic mixtures. Once sufficient amounts of the desired compound are obtained,structural elucidation can be determined by using additional analytic techniques, such as nuclear magnetic resonance, Fourier transform infrared spectroscopy, x-ray crystallography, and accelerator mass spectrometry. In these cases, preparative-GC (prep) or preparative multidimensional gas chromatography, suitably designed with necessary trapping and heart-cutting devices in a conventional GC, can be used to isolate a single compound. This is achieved by the use of either a single collector or multiple collectors with flow switching that allows multiple component isolation. The amount of analyte collected can be increased with multiple injections, thus ensuring that the analyte obtained is of sufficient purity and collected in a quantity that allows for structural characterization. This article outlines approaches to the preparative technique and provides selected illustrative applications.

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Kim L, Tuck KL, Marriott PJ. Preparative Gas Chromatography (Prep-GC). In Reedijk J, editor, Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier. 2014