Abstract
A gas chromatographic head space technique is described whereby concentration and separation of volatile components are carried out in the culumn. This procedure eliminates the additional use of cooling traps, absorption filters and syringes. The determination of low boiling substances such as hydrogen cyanide from an organic reaction. The measurement of the relationship of the partial pressures above a solution of the 4 butanols and an aroma analysis of an insecticidal fungus are chosen as examples. The application of the method to sample sizes from 2 to 500 ml and substances with boiling points from 26° (HCN) to 178° (methylheptenol) is shown.
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