Table 2.

Metal concentration (mean ± SD) in Ethiopian raw and processed tobacco leaves

Type of tobacco sample	Concentration of metals (μg/g)
	Cd	Cu	Cr	Ni	Pb	Zn
Billate raw tobacco leaves	1.20 ± 0.05	4.38 ± 0.11	ND	ND	ND	53.7 ± 0.96
Shewa Robit raw tobacco leaves	1.30 ± 0.04	7.30 ± 0.19	1.45 ± 0.11	1.96 ± 0.08	ND	33.2 ± 1.9
Billate processed tobacco leaves	1.45 ± 0.02	9.80 ± 0.04	1.65 ± 0.08	2.35 ± 0.19	ND	101 ± 0.4
Shewa Robit processed tobacco leaves	1.90 ± 0.05	12.8 ± 0.11	1.75 ± 0.08	2.20 ± 0.05	ND	83.8 ± 0.4
Nyala processed tobacco leaves	1.55 ± 0.07	8.95 ± 0.31	1.62 ± 0.11	4.70 ± 0.04	ND	79.3 ± 0.77

ND not detected