[Gas-chromatographic determination of methyl-isobutyl ketone, methyl-isobutyl carbinol, acetone, toluene and o-xylene vapors in the air].

A gas chromatographic method of determination of methyl isobutyl ketone, methyl isobutyl carbinol, acetone, toluene and o-xylene has been elaborated. Those compounds have been best separated on the column containing 10% Carbowax 20 M on Chromosorb W. Air samples were collected by passing the examined air through charcoal tubes and by consequent desorption of adsorbed compounds with carbon disulfide. Activated charcoal used in tests has been found to adsorb (by weight) 15% of the determined solvents.