Abstract
ABSTRACTThe use of granular charcoal to store extracts eluted using a dynamic headspace technique was examined. Samples of gasoline and diesel fuel in carbon disulphide (CS2) were deposited on charcoal and samples periodically eluted and chromatographed over a four year period. The resulting chromatograms were examined for contamination of the charcoal from the laboratory atmosphere during storage, and the ability of the charcoal to retain a sample without alteration of the diagnostic peaks used in the identification of the petroleum product was assessed.
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