Abstract
IN preparing the combined technique of pyrolysis and gas chromatography for the general purpose of identification of compounds in food odours we now have carried out pyrolysis experiments using some aliphatic compounds as test substances. In a previous note I reported the detection of the benzene ring in organic compounds by pyrolysis and gas chromatography1, using a Pye apparatus from which the argon detector was removed and replaced by a flame ionization detector following the method of Murray and Williams2. A column carrying 30 per cent ‘Apiezon L’ on ‘Chromosorb W’ was used. The quartz pyrolysis tube (length, 20 cm ; inner diam., 2 mm) was filled with ‘Chromosorb P’ over a length of 10 cm and was connected to the top of the column. Nitrogen was used as the carrier gas at a flow of 32 ml./min.
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References
Dhont, J. H., Nature, 192, 747 (1961).
Murray, W. J., and Williams, A. F., Analyst, 86, 849 (1961).
Dhont, J. H., Nature, 198, 990 (1963).
Keulemans, A. I. M., in Gaschromatography : a Symposium …, Aug. 1957, 237 (New York, Academic Press, 1958).
Parris, W. H., and Holland, P. D., British Plastics, 1 (1960).
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DHONT, J. Identification of Organic Compounds from Food Odours by Pyrolysis. Nature 200, 882 (1963). https://doi.org/10.1038/200882a0
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DOI: https://doi.org/10.1038/200882a0
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