Summary
After a general introduction on the advantages and special requirements of gas chromatography in glass capillaries the methods of preparing and testing thin film capillaries are described to an extent not convered in the authors' previous paper. By means of a series of chromatograms of typical artificial and genuine samples it is shown that the use of glass capillaries of variable length and with various stationary liquids does not present technical or methodical difficulties. With regard to temperature stability there is no difference in performance between packed and glass capillary columns. Moreover the preparation of glass capillary columns is easy, their separation efficiency is much better and the tailing behaviour is often superior in comparison with packed columns.
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Literature
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Schomburg, G., Husmann, H. Methods and techniques of gas chromatography with glass capillary columns. Chromatographia 8, 517–530 (1975). https://doi.org/10.1007/BF02267595
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DOI: https://doi.org/10.1007/BF02267595