Literature | Units | Cadmium | Nickel | Lead | Chromium | Arsenic |
---|---|---|---|---|---|---|
Goniewicz et al20 | μg/150 puffs | N.D. to 0.22±0.16 | 0.11±0.05 to 0.29±0.08 | 0.03±0.03 to 0.57±0.28 | N.T. | N.T. |
Williams et al26 | μg/10 puffs | N.T. | 0.005 | 0.017 | 0.007 | N.T. |
Laugesen22 | μg/cartridge | N.D. | N.D. | N.D. | N.D. | N.D. |
N.D., not detected; N.T., not tested by the study.