Table 1.
E-cigarette | E-liquid vaped (mg) | Nicotine in e-liquid (µg/mg) | Nicotine delivered (mg) | Nicotine recovered (mg) | % Nicotine recovered | VG delivered (mg) | PG delivered (mg) | VG recovered (mg) | PG recovered (mg) | % VG recovered | % PG recovered |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | 44.0 | 15.3 | 0.67 | 0.68 | 100 | 35.5 | 3.2 | 30.4 | 3.1 | 85.5 | 96.8 |
2 | 90.6 | 13.9 | 1.26 | 1.16 | 92.5 | 18.9 | 57.4 | 19.1 | 53.9 | 100 | 93.8 |
3 | 180.5 | 11.4 | 2.05 | 1.73 | 84.1 | 106.8 | 43.3 | 121.7 | 35.9 | 100 | 82.9 |
4 | 488.0 | 5.7 | 2.78 | 2.37 | 85.3 | 227.7 | 191.7 | 171.2 | 161.6 | 75.2 | 84.3 |
5 | 93.0 | 15.3 | 1.42 | 1.19 | 83.4 | 60.7 | 23.5 | 61.8 | 20.3 | 100 | 86.4 |
6 | 56.3 | 8.6 | 0.49 | 0.51 | 100 | 18.5 | 31.6 | 21.3 | 28.3 | 100 | 89.5 |
7 | 83.9 | 12.1 | 1.02 | 0.76 | 75.0 | 54.9 | 16.9 | 60.1 | 12.3 | 100 | 72.7 |
8 | 470.0 | 5.0 | 2.34 | 1.79 | 76.4 | 270.0 | 112.3 | 197.9 | 85.9 | 73.3 | 76.5 |
9 | 70.6 | 12.6 | 0.89 | 0.71 | 79.8 | 56.3 | 0.0 | 46.3 | 0.0 | 82.1 | n/a |
10 | 115.1 | 5.6 | 0.65 | 0.58 | 89.5 | 72.6 | 27.2 | 76.3 | 24.0 | 100 | 88.4 |
11 | 251.0 | 5.0 | 1.27 | 1.23 | 96.9 | 158.5 | 72.8 | 147.9 | 72.5 | 93.4 | 99.5 |
12 | 70.1 | 5.9 | 0.41 | 0.29 | 71.3 | 29.6 | 39.5 | 34.3 | 27.6 | 100 | 69.8 |
13 | 182.0 | 5.7 | 1.04 | 0.99 | 94.6 | 56.7 | 99.7 | 69.3 | 118.5 | 100 | 100 |
Average | 168.9 | 9.4 | 1.25 | 1.07 | 86.8 | 89.8 | 55.3 | 81.3 | 49.5 | 93.0 | 86.7 |
SD | 149.8 | 4.1 | 0.73 | 0.59 | 9.6 | 80.5 | 53.4 | 59.3 | 48.1 | 10.3 | 10.0 |
E-cigarette brands tested are as follows: 1, Kanger EVOD2 (tank); 2, V2 Cigs Red 18 (cig-a-like); 3, Kanger T3D (tank); 4, Vulcan (RBA); 5, Kanger T3D (tank); 6, Kanger EVOD (tank); 7, Kanger Aerotank V2 (tank); 8, K101 (RBA); 9, Blu E-cigarette (cig-a-like); 10, Kanger EVOD (tank); 11, Nimbus (RBA); 12, Vapor4Life (tank); 13, Kanger Protank II (tank). Each e-cigarette was tested once.