Abstract
The method described is simple and reliable for the qualitative and quantitative determination of methanol in gasoline. Gasoline samples are injected directly on to a Carbowax 20M column operated isothermally at 50 °C for 3.0 min, and then programmed to rise to 150 °C at a rate of 10 °C min–1. The methanol peak occurs with a retention time of 2.6 min in a region free of other gasoline component peaks. The calibration graph is linear up to 10% methanol, and the detection limit is 0.2%.
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