Clearing the Smoke: Assessing the Science Base for Tobacco Harm Reduction

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TABLE 10–1 Approximate Chemical Composition of Whole Mainstream Smoke

Constituent	% by Weight
Air
N₂	62	75.9
O₂	13
Ar	0.9
Vapor Phase
Water	1.3	19.6
CO₂	12.5
CO	4
H₂	0.1
CH₄	0.3
Hydrocarbons	0.6
Aldehydes	0.3
Ketones	0.2
Nitriles	0.1
Heterocyclics	0.03
Methanol	0.03
Organic acids	0.02
Esters	0.01
Other compounds	0.1
Particulate Phase
Water	0.8	4.5
Alkanes	0.2
Terpenoids	0.2
Phenols	0.2
Esters	0.2
Nicotine	0.3
Other alkaloids	0.1
Alcohols	0.3
Carbonyls	0.5
Organic acids	0.6
Leaf pigments	0.2
Other compounds	0.9
NOTE: Ar=Argon; CH₄=methane; CO=carbon monoxide; CO₂=carbon dioxide; H₂=hydrogen; N₂=nitrogen; O₂=oxygen. SOURCE: Dube and Green, 1982. Reprinted with permission from the authors.

Free Resources

Related Titles

Clearing the Smoke: Assessing the Science Base for Tobacco Harm Reduction (2001)
Institute of Medicine (IOM)

Free Resources

Related Titles

Clearing the Smoke: Assessing the Science Base for Tobacco Harm Reduction (2001) Institute of Medicine (IOM)

Clearing the Smoke: Assessing the Science Base for Tobacco Harm Reduction (2001)
Institute of Medicine (IOM)