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By the use of gaschromatographic and mass spectrometric methods gas phase condensate from cigarette smoke, isolated on a preparative scale, has been compared with the native gas phase from the smoke of the same cigarettes and investigated for qualitative composition. With regard to composition, there is a satisfactory conformity between both mixtures of substances. It has been possible to identify or to characterize more than 60 constituents

The present paper describes a simple device designed for the analytical smoking of single cigarettes and capable of collecting the gaseous constituents of tobacco smoke. The trap has been used to determine the carbon monoxide content of the smoke of cigarettes made from reconstituted tobacco by gas chromatography