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Thickness and specific surface area of the converted layer formed by reacting silicate (13-93) bioactive glass scaffolds for the times shown in 0.25 M K2HPO4 solution at 60°C and starting pH = 12.0.
| Immersion time (day) | Thickness (μm) | Specific surface area (m2/g) |
|---|---|---|
| 1 | 2 ± 1 | 19 ± 2 |
| 3 | 5 ± 2 | 30 ± 3 |
| 6 | 13 ± 2 | 47 ± 1 |
