Brand | The found absorbance | Theorical concentration (µg/ml) | Found concentration (µg/ml) | Drug concentration (% CV, n = 3) |
P1 | 0.628 | 7.5 | 7.55 | 100.70 ± 0.31 |
P2 | 0.627 | 7.5 | 7.54 | 100.52 ± 0.25 |
P3 | 0.547 | 7.5 | 7.49 | 99.90 ± 0.46 |
P4 | 0.549 | 7.5 | 7.5 | 100.00 ± 0.11 |
P5 | 0.700 | 7.5 | 7.54 | 100.52 ± 0.29 |