Determination of ammonia in tobacco and smoke.
A gas chromatographic method has been developed for the determination of ammonia in tobacco and smoke. Ammonia is liberated from tobacco by a microdiffusion technique using a Conway diffusion cell. Bubbler traps containing dilute sulphuric acid are used to collect the ammonia from smoke.
Ayers
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Research and Development Establishment British-American Tobacco Co. Ltd. Southampton, U.K.