The more perfect the combustion, the fewer 
deleterious compounds are formed. 
Chlorides, if present, retard the burning of 
the tobacco, and hence a tobacco which contains 
a high percentage of chloride, even if it is rich 
in potash salts, is a poor burning tobacco and 
therefore faulty. While it is important that 
the burning should be free and the volatilization 
as perfect as possible, yet the smoker does not 
want his tobacco to burn too rapidly. To meet 
this some manufacturers prepare “slow burn- 
ing” tobaccos generally by the addition of some 
chemical which checks the potash. 
The aroma and flavor of the tobacco depend 
to a great extent on the waxes, resins and oils, 
as well as on certain of the organic acids. 
REFERENCES 
U. S. Dispensarory. 1907 (19th Edition). 
Kisstine. The Chemistry of Tobacco. Scientific 
American (Supp.) 1905, Vol. 60, No. 1560. 
Cuvuarp « Metiett. Variation de Nicotine dans 
les differents organes de la plante de Tabac. 
Comp. Rend. Acad. d. Se. (Paris) 1912. Vol. 
155, p. 293. 
Przzotato, A. Conferenza Sulla Chimica appli- 
cato alla technologia del Tabacco. (Rome. 1903.) 
Wour, Jacos. Der Tabak und die Tabak fabri- 
kate. Chapter III. Leipzig, 1912. 
Scutossinc. Sur la production de la nicotine par 
la culture du Tabac. Compt. Rend. Acad. d. 
Se. (Paris), 1910. Vol. 151, p. 23. 
