CigaretteSmoke_000

CigaretteSmoke_000 - 10/26/2009 C118Oct.27,2009 LabLecture

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10/26/2009 1 C118 Oct. 27, 2009 Lb Lt Lab Lecture Analysis of Cigarette Smoke Goals of Lab: Measure the mass of solid material contained in direct and second hand smoke direct and second hand smoke. Determine the amount of polycyclic aromatic hydrocarbons (PAH’s) in the two types of smoke. Compare filtered and unfiltered cigarettes.
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10/26/2009 2 Main Components of Cigarette Smoke Carbon Dioxide Water Carbon monoxide Nitrogen Oxides Nicotine Particulate Matter (Smoke particles) Polycyclic aromatic hydrocarbons (PAH’s) Polycyclic Aromatic Hydrocarbons Why are these compounds harmful?
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10/26/2009 3 Part I. Collection of Solids in Smoke Data: Record mass of a)cigarette (before) b)cigarette (after) c) filter paper (before) d) filter paper (after) Calculations: 1) Fraction of mass lost as solids. (Indirect + Direct) 2) Fraction of solids as second hand smoke. Part II. Determination of PAH’s in solids in cigarette smoke Extract PAH’s from filter paper by stirring in 25 mL of Extract PAH s from filter paper by stirring in 25 mL of ethanol for ½ hour.
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CigaretteSmoke_000 - 10/26/2009 C118Oct.27,2009 LabLecture

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