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Gas chromatography (GC) is a separation technique that separates the components of a sample based on the differences in their affinity for the stationary phase and the mobile phase (or carrier gas). There are different GC column types available, suitable for different applications. Capillary columns are the most popular ones, as they are the best solution for most applications. We also offer other types of GC columns, such as packed, PLOT and metal columns, for more specific applications.