Tob. Sci., 1975, 19-52, p. 145-147, ISSN.0082-4523
Colorimetric method for the determination of ammonia in tobacco smoke
R.J. Reynolds Tobacco Company, Winston-Salem. North Carolina, USA
A calorimetric method is presented for the determination of ammonia in tobacco smoke. ‘The sample is smoked under standard conditions (35-ml puff of 2-sec. duration at 60-sec. intervals), and the smoke is collected in a solution of boric acid....