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Dual capillary gas chromatographic analysis of alcohols and methyltert-butyl ether in gasolines

✍ Scribed by Levy, J. M. ;Yancey, J. A.

Publisher: John Wiley and Sons
Year: 1986
Tongue: English
Weight: 398 KB
Volume: 9
Category: Article
ISSN: 0935-6304
DOI: 10.1002/jhrc.1240090703

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✦ Synopsis

A gas chromatographic method has been developed for the identification and direct determination of alcohols and methyl tert-butyl ether (MTBE) in gasolines. The technique involves simultaneous injection of the gasoline without any sample preparation onto two fused silica capillary columns of differing polarities. The method permits simultaneous determinations of methanol, ethanol, 2-propano1, tert-butanol, 1 -propanol, secbutanol, 1 -butanol, and MTBE. By using an automatic sampler in combination with electronic pressure programming and BASIC programming, the determinations were performed automatically and reproducibly with a relatively short analysis time.

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