Research Article
Validation of Simultaneous Volumetric and HPLC Methods for the Determination of Pridinol Mesylate in Raw Material
Table 7
HPLC precision and accuracy.
| % of nominal value | Added amount
(mg)
| Found amount (mg) | Recovery (%) | Average recovery () | RSD (%) |
| 80 | 33.0 | 32.8 | 99.3 | 99.4 | 0.4 | 32.0 | 31.6 | 99.0 | 32.6 | 32.1 | 99.8 |
| 100 | 21.0 | 20.9 | 99.5 | 100.3 | 0.7 | 20.7 | 20.9 | 100.9 | 21.3 | 21.4 | 100.5 |
| 120 | 25.2 | 25.3 | 100.4 | 100.8 | 0.4 | 24.7 | 25.0 | 101.2 | 25.0 | 25.2 | 100.8 |
| Mean () | | | | 100.2 | 1.0 |
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