| TLC | HPLC | Official method* |
---|
Mean | 99.97 | 100.15 | 99.87 |
SD | 1.22 | 0.52 | 0.81 |
Variance | 1.50 | 0.27 | 0.65 |
N | 5 | 6 | 7 |
Student’s t-test** | 0.172 (2.23) | 0.728 (2.20) |  |
F value** | 2.31 (4.53) | 2.41 (4.95) | Â |
- *Official HPLC method using C18 column, acetonitrile: methanol: 1.36Â g/L phosphate buffer (1:1:8 by volume) as a mobile phase and UV detection at 240Â nm
- **Figures between parentheses represent the corresponding tabulated values of t and F at p = 0.05