New separation device that allows fast gas chromatography of large samples

Harald Ertl; Ulrich Breit; H. Kaltschmidt; Helmut Oberpriller

doi:10.1117/12.189200

6 October 1994 New separation device that allows fast gas chromatography of large samples

Harald Ertl, Ulrich Breit, H. Kaltschmidt, Helmut Oberpriller

Proceedings Volume 2276, Cargo Inspection Technologies; (1994) https://doi.org/10.1117/12.189200
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

Gaschromatography (GC) is a widespread method to separate components in complex mixtures. The separation in the gasphase follows three main principles: - separation by molecular sieves where the molecules are selected by their size - separation on solid phases using adsorption forces - separation on liquid films (stationary phases) using different solubilities of the molecules in the liquid phase. Normally the mixtures are injected as a vapour or liquid (which is vaporized in the injectorblock) on a GC-column. The components are transported by the mobile phase (carrier gas) through the column which is packed with solid carrier particles coated with a liquid film.

Citation Download Citation

Harald Ertl, Ulrich Breit, H. Kaltschmidt, and Helmut Oberpriller "New separation device that allows fast gas chromatography of large samples", Proc. SPIE 2276, Cargo Inspection Technologies, (6 October 1994); https://doi.org/10.1117/12.189200

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