<abstract xmlns="http://www.w3.org/1999/xhtml">

The purpose of this investigation was to attain a better understanding of the selective removal of certain compounds from cigarette smoke by filters. A gas chromatographic method for the determination of selected semivolatile smoke compounds was developed. The method, which utilizes a 160 m glass capillary column, was used to determine the efficiency of filters for the removal of these selected semivolatile compounds. A correlation was found between the selective filtration of these compounds from cigarette smoke and their distribution coefficients [Kd = (g compound/g filter)/ (g compound/cm3 air)] between air and various filter materials. In addition, a correlation was found between the physicaI and chemical nature of certain smoke compounds and their selective filtration. Previous work indicated that if a compound is to be selectively removed from tobacco smoke by a filter, [1] a significant portion of that compound should be in the vapour state as it passes through the filter and [2] the compound should have an affinity for the filter material. The relative rate of vapourization (Rv) was used as a measure of 1., and the totaI solubility parameter (d) was taken as a measure of 2. Values for the vapourization rate were calculated from the product, vapour pressure (P), molecular weight (M), and diffusion coefficient (D), (Rv = kPMD1/2). The correlation of Rv and δ with the selectivity (Sx) of cellulose acetate filters for smoke compounds is described by 
Sx = b0 + b1δ + b2δ (1n Rv), 
where b0, b1, and b2 are constants. This equation may be used to predict the selective filtration of semivolatile compounds from cigarette smoke. 
</abstract>

The purpose of this investigation was to attain a better understanding of the selective removal of certain compounds from cigarette smoke by filters. A gas chromatographic method for the determination of selected semivolatile smoke compounds was developed. The method, which utilizes a 160 m glass capillary column, was used to determine the efficiency of filters for the removal of these selected semivolatile compounds. A correlation was found between the selective filtration of these compounds from cigarette smoke and their distribution coefficients [Kd = (g compound/g filter)/ (g compound/cm3 air)] between air and various filter materials. In addition, a correlation was found between the physicaI and chemical nature of certain smoke compounds and their selective filtration. Previous work indicated that if a compound is to be selectively removed from tobacco smoke by a filter, [1] a significant portion of that compound should be in the vapour state as it passes through the filter and [2] the compound should have an affinity for the filter material. The relative rate of vapourization (Rv) was used as a measure of 1., and the totaI solubility parameter (d) was taken as a measure of 2. Values for the vapourization rate were calculated from the product, vapour pressure (P), molecular weight (M), and diffusion coefficient (D), (Rv = kPMD1/2). The correlation of Rv and δ with the selectivity (Sx) of cellulose acetate filters for smoke compounds is described by 
Sx = b0 + b1δ + b2δ (1n Rv), 
where b0, b1, and b2 are constants. This equation may be used to predict the selective filtration of semivolatile compounds from cigarette smoke.

Parameters Affecting the Selective Filtration of Certain Tobacco Smoke Components

Research Laboratories, Tennessee Eastman Company

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

The purpose of this investigation was to attain a better understanding of the selective removal of certain compounds from cigarette smoke by filters. A gas...

Parameters Affecting the Selective Filtration of Certain Tobacco Smoke Components

Pubblicato online: 14 ago 2014

Pagine: 145 - 149

DOI: https://doi.org/10.2478/cttr-2013-0371

© Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.