Table 2 Accuracy of the proposed HPLC method
Drugs | Spiked concentration (μg mL-1) | Measured concentration (μg mL-1) ± SD | Accuracy (%) | RSD (%) |
|---|---|---|---|---|
Pheniramine | 150.0 | 151.2 ± 1.7 | 100.9 | 1.2 |
600.0 | 612.4 ± 6.1 | 102.1 | 1.0 | |
1200.0 | 1187.6 ± 15.6 | 99.0 | 1.3 | |
Naphazoline hydrochloride | 12.5 | 12.6 ± 0.1 | 101.1 | 1.0 |
50.0 | 49.8 ± 0.6 | 99.6 | 1.2 | |
100.0 | 97.8 ± 0.6 | 97.8 | 0.6 |