Methanol Analysis by Gas Chromatography-Comparative Study Using Three Different Columns

Abstract

The methanol analysis in ethanol 80° P was performed efficiently by gas chromatography. Best results were obtained with a column packed with Carbowax 20M on Carbopack BAW or THEED on Chromosorb. In both cases a linear response was obtained in a wide range. When samples of unknown composition are analyzed, more than one column must be used to corroborate results, avoiding the possibility of false identification because of superimposition of signals.