Workneh Mechal Shume

Levels of Trace Metals in Different Brands of Cigarettes: Investigation of the Level of Trace Metals in Different Brands of Cigarettes Commonly Sold in Ethiopia Workneh Mechal Shume

In this book, the levels of trace metals in tobacco cigarettes from samples of eight (8) cigarettes sold in Ethiopia were determined. A wet digestion procedure involving a 0.5 g of oven dried cigarette sample was digested using 5 mL of HNO3 and 2 mL of H2O2 (30% w/v) at 200 C for 1:30 h. Cadmium (Cd), Lead (Pb), Zinc (Zn) and Copper (Cu) contents were determined in eight (8) brands of cigarettes commonly available in Ethiopia (both imported and Local cigarettes) by Flame Atomic Absorption Spectroscopy (FAAS).