Ann. Tabac, 1981-82, Sect. 2-17 p. 143-52., ISSN.0399-0354
A study of transfer to smoke of petroleum ether extractable tobacco constituents
The method consisted in comparing petroleum ether soluble tar of pure tobacco with tar of the same tobacco previously washed in petroleum ether. Comparison was also made of soluble tar of pure cellulose cigarettes with tar of cellulose cigarettes...