Published: Journal of Chromatographic Science, Volume 36, Number 9, September 1998, pp. 449-456.
Improving Accuracy in the Determination of Aromatics in Gasoline
by Gas Chromatography–Mass Spectrometry
Michael D. Mathiesen and Axel J. Lubeck
Petroleum industry studies show that the total aromatics content of a gasoline as determined by ASTM Standard Test Method D5769, “Determination of Benzene, Toluene, and Total Aromatics in Finished Gasoline by Gas Chromatography/Mass Spectrometry”, is consistently lower than results obtained using other standard test methods. Sources of this bias are investigated, and practical modifications to D5769 to reduce the bias are proposed.
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