Table 2.
Determination of the studied drugs in pharmaceutical formulations by the proposed HPTLC method.
| Pharmaceutical formulation | Paracetamol |
Guaiphensine |
Oxomemazine |
Sodium benzoate |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Taken (µg/band) | Found a % ± %RSD | Standard addition Mean ± SDb | Taken (µg/band) | Found a % ± %RSD | Standard addition Mean ± SDb | Taken (µg/band) | Found a % ± %RSD | Standard addition Mean ± SDb | Taken (µg/band) | Found a % ± %RSD | Standard addition Mean ± SD b | |
| Oplex® syrupBatch number 3,521,524 | 3.33 | 99.15±2.581 | 96.49±0.608 | 3.33 | 103.36±0.862 | 102.49±1.527 | 0.30 | 101.21 ± 2.318 | 99.98 ± 2.277 | 3.33 | 101.07±1.882 | 101.70±2.127 |
| Taken (µg/band) | Founda % ± %RSD | Taken (µg/band) | Founda % ± %RSD | Taken (µg/band) | Founda % ± %RSD | Taken (µg/band) | Founda % ± %RSD | |||||
| Rectoplexil® suppositories Batch number 3,791,201 | 3.996 | 101.40±2.183 | 3.996 | 101.85±1.812 | 0.36 | 97.19 ± 2.343 | 3.996 | 101.61±1.371 | ||||
a
Average of 6 determinations.
b
Average of 3 determinations.