Table 5.
Particle size characterization of smoke or aerosols before entering the exposure system
| Item | Median (µm) | Mean (µm) | Geometric mean (µm) | Mode (µm) | Geometric standard deviation |
|---|---|---|---|---|---|
| 3R4F CS | 2.55 ± 0.25 | 3.36 ± 0.26 | 2.72 ± 0.19 | 2.28 ± 0.91 | 1.89 ± 0.06 |
| Test mix | 2.43 ± 0.15 | 3.07 ± 0.18 | 2.59 ± 0.13 | 2.21 ± 0.30 | 1.75 ± 0.05 |
| Base | 2.49 ± 0.16 | 3.09 ± 0.18 | 2.64 ± 0.13 | 2.33 ± 0.26 | 1.72 ± 0.06 |
| Carrier | 2.42 ± 0.15 | 3.02 ± 0.18 | 2.58 ± 0.13 | 2.24 ± 0.24 | 1.71 ± 0.05 |
Values are reported ± standard deviation (N = 3–4 independent measurements)
CS cigarette smoke