Research Article
Quantitative Analysis of Favipiravir by HPLC: Development and Validation
Table 11
Filter absorbance results.
| # | Nylon 0.45 μm | Nylon 0.22 μm | Centrifuge | Standard area | Sample area | % assay | Standard area | Sample area | Standard area | Sample area |
| 1 | 36.877 | 36.755 | 99.5 | 36.679 | 99.3432 | 37.457 | 101.4504 | 2 | 36.967 | 37.119 | 100.5 | 36.696 | 99.38924 | 37.422 | 101.3556 | 3 | 36.958 | 37.125 | 100.6 | 36.731 | 99.48404 | 37.413 | 101.3312 | 4 | 36.884 | 37.109 | 100.5 | 36.744 | 99.51925 | 37.499 | 101.5641 | 5 | 36.922 | 37.027 | 100.3 | 36.7125 | 99.43393 | 37.44775 | 101.4253 | SD | 0.05 | 0.18 | 0.49 | 0.03 | 0.08 | 0.04 | 0.11 | RSD (%) | 0.13 | 0.5 | 0.49 | 0.08 | 0.08 | 0.10 | 0.104 |
|
|