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Article | REF: P1489 V1

Two-dimensional gas chromatography GC-GC and GCxGC

Authors: Xavier FERNANDEZ, Jean-Jacques FILIPPI, Maud JEANVILLE

Publication date: December 10, 2011 | Lire en français

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    1. Introduction to two-dimensional gas chromatography

    The analysis of complex mixtures (environmental samples, petroleum cuts, natural extracts) in gas chromatography is a real challenge for the analyst. These samples are often too complex to be fully separated on a single stationary phase. What's more, trace compounds often co-elute with very abundant analytes.

    Giddings' work perfectly illustrates this phenomenon. Modern capillary columns have more than 100,000 theoretical plates. However, if you...

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