Table 3 Levels of lead (Pb), cadmium (Cd), arsenic (As), and nickel (Ni) in 10 brands of Nass available in the Iranian market.
From: Human health risk assessment of toxic metals in Nass smokeless tobacco in Iran
Brands | Pb Mean ± SD (µg/g) | Cd Mean ± SD (µg/g) | Ni Mean ± SD (µg/g) | As Mean ± SD (µg/g) |
|---|---|---|---|---|
Brand 1a | 37.00 ± 13.86 | 2.83 ± 0.81 | 25.93 ± 1.52 | 0.89 ± 0.08 |
Brand 2 | 33.65 ± 9.55 | 2.18 ± 1.17 | 15.80 ± 15.34 | 0.39 ± 0.19 |
Brand 3 | 45.27 ± 6.89 | 3.02 ± 0.15 | 22.55 ± 1.62 | 0.8 ± 0.01 |
Brand 4 | 39.87 ± 4.04 | 2.95 ± 0.31 | 26.63 ± 6.31 | 0.75 ± 0.08 |
Brand 5 | 24.15 ± 9.26 | 1.40 ± 0.28 | 11.75 ± 8.20 | 0.82 ± 0.17 |
Brand 6 | 38.33 ± 4.55 | 3.25 ± 0.18 | 25.75 ± 1.52 | 0.75 ± 0.09 |
Brand 7 | 50.77 ± 7.69 | 3.03 ± 0.20 | 23.43 ± 4.10 | 0.77 ± 0.49 |
Brand 8 | 32.70 ± 1.97 | 2.43 ± 0.48 | 27.32 ± 14.15 | 0.89 ± 0.34 |
Brand 9 | 30.13 ± 4.12 | 2.63 ± 0.24 | 22.18 ± 3.08 | 0.45 ± 0.28 |
Brand 10 | 50.00 ± 0.71 | 2.98 ± 0.04 | 33.75 ± 15.41 | 0.55 ± 0.4 |