Table 3 Mean recovery of chlorpheniramine maleate, paracetamol and caffeine in the presence of tablet excipients
Chlorpheniramine maleate | Paracetamol | Caffeine | |||
|---|---|---|---|---|---|
Amount added (µg/mL) | Mean recovery (%) ± SD | Amount added (µg/mL) | Mean recovery (%) ± SD | Amount added (µg/mL) | Mean recovery (%) ± SD |
10 | 98.00 ± 1.30 | 50 | 102.2 ± 0.80 | 10 | 101.7 ± 1.10 |
20 | 100.95 ± 1.25 | 150 | 99.50 ± 1.50 | 20 | 100.75 ± 0.95 |
40 | 99.65 ± 0.95 | 300 | 100.90 ± 0.88 | 40 | 99.99 ± 1.25 |