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Ball milling conditions of the various formulations.
| Formulation | Milling Time (minutes) | Rotation Speed (rpm) | Ball: Powder Weight Ratio |
|---|---|---|---|
| N1 | 15 | 100 | 5 |
| N2 | 60 | 100 | 5 |
| N3 | 15 | 400 | 5 |
| N4 | 60 | 400 | 5 |
| N5 | 15 | 100 | 15 |
| N6 | 60 | 100 | 15 |
| N7 | 15 | 400 | 15 |
| N8 | 60 | 400 | 15 |
| N9 | 37.5 | 250 | 10 |
| N10 | 37.5 | 250 | 10 |
| N11 | 37.5 | 250 | 10 |
