Validation parameter | % RSD of peak area in standard solution for five replicate injections (NMT 5.0%) | ||
2-hydroxy-5-methylpyridine | Pirfenidone | Iodobenzene | |
Specificity | 1.84 | 1.54 | 0.85 |
Determination of LOD & LOQ values | 0.80 | 1.62 | 1.80 |
Precision at LOQ | 1.28 | 1.31 | 1.93 |
Linearity study | 1.62 | 2.11 | 1.20 |
Accuracy | 1.80 | 1.11 | 0.56 |
System precision | 1.94 | 0.81 | 2.26 |
Method precision | 1.91 | 1.54 | 2.99 |
Intermediate precision | 0.52 | 2.92 | 1.83 |
Robustness study-actual | 1.30 | 1.77 | 1.95 |