Table 4 Summary of validation parameters of chlorpheniramine maleate, paracetamol and caffeine
Parameter | Chlorpheniramine maleate | Paracetamol | Caffeine |
|---|---|---|---|
Linearity (R2) | 0.9985 | 0.9997 | 0.9989 |
Intra-day precision (% RSD) | 0.42 | 0.31 | 0.60 |
Inter-day precision (% RSD) | 0.18 | 0.11 | 0.37 |
LOD (µg/mL) | 1.444 × 10−2 | 1.415 × 10−4 | 4.694 × 10−5 |
LOQ (µg/mL) | 4.376 × 10−2 | 4.289 × 10−4 | 1.423 × 10−4 |
Accuracy (%) | 100.76 ± 2.10 | 98.66 ± 1.72 | 100.13 ± 1.39 |
Robustness | Robust | Robust | Robust |
Specificity | Specific | Specific | Specific |