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Calcination parameters and the resulted crystalline phases of the TiO2 nanoparticles
| Samples | Calcination parameters | Crystalline phases | ||
|---|---|---|---|---|
| Temperature (°C) | Ammonia gas flow rate (L/min) | Time (min) | ||
| Pure | - | - | - | Anatase |
| N-550-1 | 550 | 3.5 | 20 | Anatase |
| N-550-2 | 550 | 7 | 10 | Anatase |
| N-600-1 | 600 | 3.5 | 20 | Rutile and anatase |
