ANALYSIS OF HEAVY METALS IN SELECTED CIGARETTES AND TOBACCO LEAVES IN BENUE STATE, NIGERIA.
AbstractThe concentration of heavy metals (Cr, Cd and Pb) in tobacco leaves and some selected cigarettes from Benue State were analyzed using AAS techniques. The results obtained indicates that the mean concentration (ppm) of Cr, Cd and Pb in tobacco leaves were 0.216, 0.056 and 0.052 , while that of selected cigarettes are 0.0378 (ppm) for Pb, 0.12 (ppm) for Cr and 0.0116 (ppm) for Cd in all brands of the cigarettes, respectively. The level of Cr, Cd and Pb in selected cigarettes and tobacco leaves were found to be below the WALOH standards for human consumption an plant uptake. It was also revealed that the concentration of the metals in ash tobacco leaves were lower compared to that of selected cigarette. Similarly, results of the analysis of all the ten different brands of cigarettes shows that Cr concentration was the highest, followed by Pb and Cd was the least.
Keywords: Heavy metals, Tobacco, Cigarettes, Cancer, Benue.
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