<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The total ammonia content of smoke is essentially ammonium salts with insignificant amounts of free ammonia. An ammonia electrode was used to experimentally measure the amount of free ammonia in the smoke of several cigarettes and two little cigars. For comparison, the theoretical amount of free ammonia was calculated from the total ammonia content and smoke pH. Free ammonia in domestic filter and non-filter cigarettes ranged from 1 to 4 ng with totaI ammonia contents of 28 to 44 µg. The smoke from a dark tobacco cigarette and Iittle cigar contained 1.2 and 2.4 µg of free NH<sub>3</sub>, respectively. These two smoking items had total ammonia contents of 147 and 310 µg, respectively. The calculated free ammonia agreed with the experimentaI values. No significant errors were introduced by the presence of methylamine in the smoke in either total ammonia or free ammonia results. </p></abstract>

The total ammonia content of smoke is essentially ammonium salts with insignificant amounts of free ammonia. An ammonia electrode was used to experimentally measure the amount of free ammonia in the smoke of several cigarettes and two little cigars. For comparison, the theoretical amount of free ammonia was calculated from the total ammonia content and smoke pH. Free ammonia in domestic filter and non-filter cigarettes ranged from 1 to 4 ng with totaI ammonia contents of 28 to 44 µg. The smoke from a dark tobacco cigarette and Iittle cigar contained 1.2 and 2.4 µg of free NH3, respectively. These two smoking items had total ammonia contents of 147 and 310 µg, respectively. The calculated free ammonia agreed with the experimentaI values. No significant errors were introduced by the presence of methylamine in the smoke in either total ammonia or free ammonia results.

Determination of Unprotonated Ammonia in Whole Cigarette Smoke

Research Laboratories, Tennessee Eastman Company, Division of Eastman Kodak Company, Kingsport, Tennessee, U.S.A.

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Determination of Unprotonated Ammonia in Whole Cigarette Smoke"}

The total ammonia content of smoke is essentially ammonium salts with insignificant amounts of free ammonia. An ammonia electrode was used to experimentally...

Determination of Unprotonated Ammonia in Whole Cigarette Smoke

Publié en ligne: 14 août 2014

Pages: 362 - 365

Reçu: 21 oct. 1975

DOI: https://doi.org/10.2478/cttr-2013-0403

© Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.