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Columns for comprehensive GC
Comprehensive GC GC = Real Real 2 dimensional Gas Gas Chromatography
Separation in first dimension on a 30m x 0.25mm column, typical a Rxi-1ms or a
Rxi-5Sil MS;
Via the modulator the eluting fractions are injected on the second dimension
column
Separation in second dimension is on a short column with different selectivity
This is mostly a polar column, typical a Rxi-17Sil MS, Stabilwax or a Rtx-200
Very high peak capacity: used for for very complex samples.
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