Abstract
The objective of this study was the identification of sulfur compounds present in the supercritical ethanol/NaOH extracts of Beypazari lignite by deconvoluting the polarograms of the chromatographically separated fractions of the extracts. Supercritical interaction between coal and ethanol/NaOH was carried out using a microreactor of 15 mL capacity. Liquid product obtained were separated by silica gel liquid chromatography. Differential pulse polarograms of the fractions separated were measured, and the least squares curve fitting techniques were applied to resolve the overlapping bands in the polarograms of the lignite liquids
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