SummaryA gas-chromatographic analyzer allowing the selective detection of individual oxygenates in complex organic mixtures, such as gasolines, is described. The analyzer is based on the oxygenspecific response flame ionization detection (0-FID) method. The system operates with capillary columns and includes a cracking reactor to convert any oxygenate to carbon monoxide and a special FID equipped with a microreactor for the catalytic hydrogenation of CO and detection as methane. Hydrocarbons give no signal. The selectivity of the method is better than 1:107 and the linear range approaches lo5. The analysis of modern fuels containing oxygenated additives, to improve octane ratings, may greatly benefit from the proposed analytical method.

No abstract

No abstract

No abstract

No abstract