Table 2 Particle dissolution as a function of dissolution rate and particle size
Dissolution rate, k (g/cm2 per day) | Initial deposited mass median particle diameter (µm)a | ||||
|---|---|---|---|---|---|
0.1 | 0.5 | 1 | 5 | 10 | |
Time to 23% initial particle mass remaining, days (First-order dissolution rate, d−1) | |||||
1 × 10−3 | 0.0058 (253) | 0.0290 (50.6) | 0.058 (25.3) | 0.290 (5.06) | 0.581 (2.53) |
1 × 10−4 | 0.058 (25.3) | 0.290 (5.06) | 0.581 (2.53) | 2.90 (0.506) | 5.81 (0.253) |
1 × 10−5 | 0.58 (2.53) | 2.90 (0.506) | 5.81 (0.253) | 29.0 (0.051) | 58.1 (0.0253) |
1 × 10−6 | 5.81 (0.253) | 29.0 (0.051) | 58.1 (0.0253) | 290 (0.0051) | 581 (0.0025) |
1 × 10−7 | 58.1 (0.0253) | 290 (0.0051) | 581 (0.0025) | 2905 (0.0005) | 5810 (0.0003) |
1 × 10−8 | 581 (0.0025) | 2905 (0.0005) | 5810 (0.0003) | 29,050 (0.00005) | 58,100 (0.00003) |