Table 6 Analysis of the pharmaceutical preparation (Plaqunil® tablets) by applying the Simultaneous equation and Q-absorbance spectrophotometric methods
| Â | Simultaneous equation method | Q-absorbance method | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
HCQ | PAR | HCQ | PAR | |||||||||||||
| Â | Recovery% | Â | Recovery% | Â | Recovery% | Â | Â | |||||||||
|  | Tablet Taken (µg/mL) | Standard Added (µg/mL) | Tablet | Added | Tablet Taken (µg/mL) | Standard Added (µg/mL) | Tablet | Added | Tablet Taken (µg/mL) | Standard Added (µg/mL) | Tablet | Added | Tablet Taken (µg/mL) | Standard Added (µg/mL) | Tablet | Added |
| Â | 10 | 5 | 101.87 | 98.88 | 10 | 5 | 98.71 | 101.34 | 10 | 5 | 101.98 | 101.01 | 10 | 5 | 101.19 | 100.86 |
| Â | Â | 10 | 99.91 | 101.24 | Â | 10 | 98.07 | 101.47 | Â | 10 | 100.49 | 100.41 | Â | 10 | 101.89 | 98.30 |
| Â | Â | 15 | 98.98 | 99.62 | Â | 15 | 100.01 | 100.92 | Â | 15 | 99.69 | 101.84 | Â | 15 | 99.77 | 99.07 |
Mean | Â | Â | 100.26 | 100.51 | Â | Â | 98.93 | 101.24 | Â | Â | 100.72 | 100.48 | Â | Â | 100.95 | 99.41 |
SD | Â | Â | 1.48 | 1.21 | Â | Â | 0.99 | 0.29 | Â | Â | 1.16 | 0.72 | Â | Â | 1.08 | 1.31 |