Abstract
Quantitative analysis of the gasoline fraction of crude oil (paraffins, branched paraffins, aromatics and naphthenes) and structure group analysis has been performed by high resolution capillary gas chromatography using squalane columns with different film thicknesses under temperature-programmed conditions. The results obtained were compared with those from isothermal analysis. “The modified standard addition method” was used. The contents of aromatic hydrocarbons determined on a polar stationary phase, SP-2340, were in good agreement with those obtained on squalane.
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