Determination of ammonia in tobacco and tobacco smoke with an ammonia electrode

Mainstream smoke constituent yields and predicting relationships from a worldwide market sample of cigarette brands: ISO smoking conditions

“…Lower molecular-weight hydrocarbons such as benzene, butadiene, and toluene are primarily vaporphase constituents. Hydrogen cyanide (Collins et al, 1970) and ammonia (Brunnemann and Hoffmann, 1975;Nanni et al, 1990;Sloan and Morie, 1974) have been found in both phases. The aldehydes and ketones monitored in this study reside primarily in the vaporphase, with the exception of formaldehyde which correlates highly with the particulate-phase of smoke.…”

Smoke composition and predicting relationships for international commercial cigarettes smoked with three machine-smoking conditions

“…Lower molecular weight hydrocarbons such as benzene, 1,3-butadiene, and toluene are primarily vapor-phase constituents. Hydrogen cyanide (Collins et al, 1970) ammonia (Sloan and Morie, 1974;Nanni et al, 1990), and formaldehyde (Spencer and Chard, 1971), for example, have been reported to associate with total particulate matter on smoke collection pads and therefore are found in both phases. Bache et al (1987) indicated that cadmium may be present in vapor phase to a considerable extent since cellulose acetate filters were less efficient for reducing cadmium than tar yields.…”

Use of Ion-Selective Electrodes in Tobacco and Tobacco Smoke Analyses: A Review

“…Ammonia: Soon after the ammonia electrode with a gaspermeable membrane was introduced commercially, it was applied to the determination of ammonia in cigarette smoke and tobacco (25,26). Whole cigarette smoke was trapped in an aqueous scrubber solution.…”

“…Ammonia: The ammonia gas electrode was used to measure the total ammonia concentration in tobacco (26). Ground tobacco was added to an alkaline buffer, and the mixture was steam distilled.…”