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The deposition of salbutamol in each area measured by the two-stage impinger model.
| Area | Aerodynamic diameter (μm) | Salbutamol particle collected (mg) |
|---|---|---|
| Oral area ( A) | > 6.4 | 0.75 ± 0.1 |
| Throat area (B) | > 6.4 | 0.12 ± 0.1 |
| Lung area (C1 + C2) | < 6.4 | 0.53 ± 0.08 |
| Emitted salbutamol dose | 1.4 mg ± 0.1 | |
| FPD < 6. 4 μm | 0.53 mg ± 0.08 |
