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Lung India Official publication of Indian Chest Society  
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Year : 1988  |  Volume : 6  |  Issue : 4  |  Page : 199-204

Particle Size Distribution In Cigarette Aerosol - A Smoking Machine Estimation Applied To Human Lung Model

Correspondence Address:
G. N Shaikh

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Source of Support: None, Conflict of Interest: None

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Trace elements play an important role in human health. Cigarette smoke aerosols contain many toxic and harmful elements. Concentrations of harmful elements in different size ranges determine the inhalation health hazards. Particle size distribution of some elements in cigarette smoke aerosols had been studied using Cascade Impactor and the results are reported. Mass Median Aerodynamic Diameter (MMAD) of bromine, potassium, sodium and iron was found to be 0.27 to 0.42 mm for filter tip and non-filter cigarettes. The concentrations of these elements were determined by Instrumental Neutron Activation Analysis (INAA). Using the lung model of International Commission on Radiation Protection (ICRP), the amounts of deposition of these elements in the human respiratory system has been estimated. Relative hazards of polonium-210 are also discussed.

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