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. 2019 Nov 13;16(22):4450. doi: 10.3390/ijerph16224450

Table 6.

Metal concentrations comparing brands with design changes. The older devices were analyzed two years after acquisition (mean ± standard deviation, µg/g).

Brand Cr Ni Cu Zn Cd Sn Pb
bluTM Classic Tobacco Black, High Nicotine Cartridge
2 years old
2014 		0.231 ± 0.018 4.04 ± 0.10 176 ± 6 3.00 ± 0.20 <LRL * 0.239 ± 0.010 <LRL
bluTM Classic Tobacco
Single-use
2017 		<LRL 0.050 ± 0.006 29.4 ± 3.2 9.32 ± 2.25 <LRL <LRL <LRL
Logic Platinum
2.4% Nicotine
Single-use
2 years old
2014 		<LRL 2.59 ± 0.22 903 ± 27 454 ± 11 <LRL 0.898 ± 0.054 13.5 ± 0.4
Logic Power
2.4% Nicotine
Single-use
2017 		<LRL 0.731 ± 0.223 418 ± 58 140 ± 47 <LRL 0.216 ± 0.021 1.66 ± 0.93

* Duplicate results.