Temperature dependence of the resolution of diastereomeric isoprenoids in capillary GC. Experiments with 50 μm, 100 μm,and 250 μm i.d. Columns |
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Authors: | M Proot F David P Sandra M Verzele |
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Abstract: | The resolution of the diastereoisomers of norpristane, pristane, and phytane was studied as a function of the column internal diameter and/or the residence time of the compounds in the column. Increasing the residence time in the column by operating the column at a lower temperature program rate enhances the resolution more than reducing the internal diameter of the column. Practical experience with ultra narrow bore columns is also presented. |
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Keywords: | Gas chromatography GC Capillary columns fused silica Ultra-narrow bore columns Increased residence time |
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