Abstract

This paper sets out the results of an investigation into the methods of improving the efficiency of glass bead columns for gas chromatography. Efficiencies, expressed as height equivalent to a theoretical plate (HETP) of the order of 0.8 mm, as compared with 0.6 to 2.0 mm for conventional kieselguhr columns and 4.5 mm for normal glass bead columns have been achieved. The techniques used in obtaining these efficiencies are described.

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