ISSN: 0022-1198
CODEN: JFSCA
Page Count: 10

Comparison of Automotive Gasolines Using Capillary Gas Chromatography I: Comparison Methodology
Mann, DC
Criminalist, Washington State Patrol Crime Laboratory, WA

(Received 25 April 1986; accepted 16 July 1986)

Abstract

Capillary gas chromatography was usd to compare the relative concentrations of hydrocarbons in a variety of gasoline samples. It was found that most of the discriminating information is contained in the fraction with a volatility ranging from approximately n-pentane to n-octane. Using the described comparison method, all gasoline samples collected at random were easily distinguished. Gasolines with identical histories (from the same distributor and same lot), once added to a gasoline station residual, were also distinguishable, although not as readily as those samples obtained at random.

Keywords:
criminalistics, arson, gasoline, comparative analysis, chromatographic analysis

Paper ID: JFS12365J
DOI: 10.1520/JFS12365J
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