Table 3. Estimated carbonyls generated from 10 puffs (50 ml/puff, 3-s puff duration) of commercial e-liquid #2 at different temperatures.
Temperature | Formaldehyde, μg | Acetaldehyde, μg | Acrolein, μg |
---|---|---|---|
318°C | 225–250 | 59–66 | 11–12 |
270°C | 31–35 | 9–11 | ~1 |
215°C | 6.0–6.7 | 2.1–2.4 | ND |
161°C | ~1.4 | ND | ND |
108°C | ~ 0.1 | ~1.2 | ND |
50°C | ~ 0.4 | ND | ND |
ND: not detected.