Table 2.
experiments | factors | settings | other settings |
---|---|---|---|
device setting | device power (watt) | 6.4, 14.7, 31.3 | 90 mL puff volume, 3.8 s puff duration, 12 mg/mL nicotine in VG |
e-liquid bulk material | base material | PG, VG, PG&VG (v:v = 1:1) | 6.4 W power output, 90 mL puff volume, 3.8 s puff duration |
nicotine (mg/mL) | 0, 3, 12, 24, 36 in VG | ||
e-liquid flavoring agents | flavor | 8 flavorsa in VG | 6.4 W power output, 90 mL puff volume, 3.8 s puff duration |
flavoring level (%) | 1, 10b in VG | ||
vaping topography | puff volume (mL) | 35, 90, 170 | 6.4 W power output and 12 mg/mL nicotine in VG |
puff duration (s) | 2, 3.8 |
Strawberry (Ripe), dragonfruit, menthol, cinnamon, bubblegum, bavarian cream, sweet cream, and graham cracker.
0.1% and 1% for the cinnamon flavor.