Table 1.
Listed is the Power Output, Total Nicotine Concentration, pH, PG/VG Ratio, and %Water Content in the E-liquid of Selected ECIGs Categorized by Type (Disposable, Prefilled, and Tank), Brand, and Flavor and the Corresponding Nicotine Yield and the Total Amount of C1–C3 Aldehydes in the Aerosol and Gas Phases, Respectively.
| Type | Brand | Flavor | Power (W) | PG/VG ratio (vol/vol) | % Water content | Total nicotine concentration (mg/mL) | pH | Nicotine (mg/session) | Total aldehydes (µg/session) |
|---|---|---|---|---|---|---|---|---|---|
| Disposable | Apollo | Classic tobacco | 5.24 | 58/42 | 28.80 ± 2.54 | 7.11 ± 0.09 | 5.3 ± 0.03 | 0.28 ± 0.02 | 6.37 ± 1.23 |
| Blu | Classic tobacco | 5.42 | 0/100 | 21.00 ± 0.63 | 9.83 ± 0.09 | 7.77 ± 0.15 | 0.56 ± 0.07 | 7.18 ± 0.76 | |
| Bull smoke | American ranger | 3.10 | 78/22 | 27.13 | 13.18 ± 0.15 | 7.81 ± 0.00 | 0.29 ± 0.10 | 3.77 ± 0.28 | |
| Green smoke | Absolute tobacco | 5.16 | 56/44 | 8.87 ± 0.47 | 13.40 ± 0.97 | 8.88 ± 0.07 | 1.00 ± 0.04 | 5.91 ± 0.20 | |
| Green smoke | Menthol ice | 5.16 | 56/44 | 13.44 | 13.04 | 9.06 | 1.02 ± 0.08 | 6.19 ± 0.32 | |
| V2 | Red tobacco | 2.18 | 76/24 | 18.54 ± 0.51 | 11.62 ± 0.26 | 8.80 ± 0.08 | 1.03 ± 0.05 | 3.06 ± 0.06 | |
| Volt | Country tobacco | 5.52 | 70/30 | 13.64 ± 1.10 | 19.48 ± 0.44 | 8.95 ± 0.11 | 0.97 ± 0.06 | 8.57 ± 1.40 | |
| Prefilled | Apollo | Tobacco | 5.06 | 76/24 | 11.66 ± 1.14 | 7.57 ± 0.74 | 8.51 ± 0.19 | 1.56 ± 0.09 | 11.53 ± 3.40 |
| Blu | Classic tobacco | 3.44 | 0/100 | 34.94 ± 3.37 | 8.79 ± 0.46 | 7.89 ± 0.06 | 0.27 ± 0.04 | 7.44 ± 1.48 | |
| Bull smoke | Menthol breeze | 5.27 | 67/33 | 6.04 ± 0.45 | 14.96 ± 0.61 | 9.26 ± 0.01 | 0.73 ± 0.08 | 8.36 ± 2.27 | |
| Bull smoke | Turkish tobacco | 5.58 | 80/20 | 21.58 ± 1.52 | 10.79 ± 0.60 | 8.57 ± 0.10 | 1.28 ± 0.09 | 7.11 ± 0.55 | |
| Eversmoke | Classic tobacco | 4.75 | 77/23 | 14.87 ± 2.33 | 12.62 ± 0.64 | 9.04 ± 0.04 | 1.07 ± 0.07 | 9.94 ± 0.96 | |
| Green smoke | Menthol ice | 4.38 | 56/44 | 5.26 ± 0.05 | 20.09 ± 0.54 | 9.16 ± 0.07 | 1.97 ± 0.09 | 8.27 ± 3.97 | |
| Green smoke | Red label tobacco | 4.52 | 57/43 | 6.28 ± 1.24 | 19.55 ± 1.36 | 9.05 ± 0.07 | 1.56 ± 0.03 | 9.38 ± 2.76 | |
| Halo | Tribeca | 3.78 | 68/32 | 20.41 ± 0.45 | 7.37 ± 0.22 | 8.18 ± 0.03 | 0.84 ± 0.10 | 3.90 ± 2.81 | |
| South Beach smoke | Classic tobacco | 4.44 | 78/22 | 9.99 ± 0.47 | 13.07 ± 0.16 | 8.90 ± 0.05 | 1.25 ± 0.08 | 8.21 ± 0.255 | |
| V2 | Green tea menthol | 5.63 | 75/25 | 8.74 ± 0.68 | 8.31 ± 0.24 | 8.78 ± 0.04 | 0.89 ± 0.05 | 45.07 ± 23.70 | |
| V2 | Red tobacco | 5.63 | 77/23 | 10.50 ± 2.66 | 7.45 ± 0.67 | 9.05 ± 0.06 | 1.03 ± 0.07 | 46.91 ± 54.22 | |
| Volcano | Menthol | 6.04 | 71/29 | 25.51 ± 2.51 | 7.20 ± 0.67 | 8.64 ± 0.02 | 0.58 ± 0.08 | 7.91 ± 2.36 | |
| Volt | RY4 | 3.89 | 70/30 | 8.89 ± 0.24 | 11.73 ± 0.56 | 7.99 ± 0.05 | 0.69 ± 0.06 | 5.15 ± 0.97 | |
| Tank | Apollo | Banana cream | 6.64 | 50/50 | 1.93 ± 0.10 | 9.28 ± 0.53 | 8.29 ± 0.02 | 0.96 ± 0.05 | 10.22 ± 1.50 |
| Apollo | Blueberry kona coffee | 6.96 | 58/42 | 7.45 ± 0.12 | 9.67 ± 0.71 | 8.41 ± 0.01 | 1.14 ± 0.17 | 6.68 ± 0.57 | |
| Apollo | Tobacco | 6.39 | 51/49 | 9.03 ± 1.30 | 8.11 ± 0.64 | 8.29 ± 0.01 | 0.86 ± 0.14 | 16.81 ± 17.71 | |
| Halo | Tribeca | 6.50 | 69/31 | 3.19 ± 0.15 | 14.02 ± 1.13 | 8.41 ± 0.02 | 1.57 ± 0.36 | 8.55 ± 2.7 | |
| South Beach smoke | Classic tobacco | 5.02 | 61/39 | 2.25 ± 0.21 | 14.54 ± 1.08 | 8.97 ± 0.07 | 1.21 ± 0.30 | 9.85 ± 4.24 | |
| Volcano | Blue water punch | 6.69 | 78/22 | 0.76 ± 0.08 | 20.90 ± 0.60 | 8.98 ± 0.02 | 2.91 ± 0.01 | 5.67 ± 0.52 | |
| Volt | 555 | 6.64 | 71/29 | 0.62 ± 0.07 | 14.60 ± 0.11 | 8.88 ± 0.00 | 1.05 ± 0.36 | 5.96 ± 0.04 |
PG = propylene glycol; VG = vegetable glycerin.