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Original Articles

Survey of Canadian Gasoline (Winter 2010)

Pages 64-78 | Published online: 22 Nov 2013
 

Abstract

Seventy-three samples of motor gasoline, collected in winter 2010 from eight provinces across Canada, and representing three different grades from 18 different refiners/retailers, were analyzed by gas chromatography-mass spectrometry. Each sample was analyzed in its unevaporated state, at four different levels of evaporation (25%, 50%, 75%, 90% by volume), and as a residue (approximately 99% evaporated). The resulting total ion chromatographic patterns and extracted ion profiles from these samples were compared and differences discussed in the context of identifying gasoline recovered from a fire scene

Résumé

Soixante treize échantillons d'essence collectionnés durant l'hiver 2010 dans huit provinces au Canada représentant trois différents types d'essence et provenant de 18 différentes raffineries furent analysés par chromatographie en phase gazeuse couplé avec un spectromètre de masse. Chacun des échantillons furent analysés à leur état pur ainsi qu'à quatre différents états d'évaporations (soit 25%, 50%, 75% et 90% par volume) et aussi comme résidu, soit presque à l'état d'évaporation de 99%. Les chromatogrammes résultants (total ainsi que leurs profiles ioniques) de ces échantillons ont été comparées et leurs différences discutées dans un contexte de faire l'identification de l'essence provenant d'une scène d'une incendie criminelle

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