From: A novel method for spectrophotometric determination of pregabalin in pure form and in capsules
Initial Conc. (mg/mL) | Volume (mL) | Amount of PGB added (μg) | Amount recovered (μg) | Recovery (%) ± SDa | Er% | RSD (%) |
---|---|---|---|---|---|---|
0.05 | 5.0 | 50.0 | 49.5 | 98.85 ± 0.145 | -1.14 | 0.14 |
0.05 | 5.0 | 100.0 | 99.5 | 99.09 ± 0.370 | -0.91 | 0.37 |
0.05 | 5.0 | 200.0 | 199.1 | 99.45 ± 0.124 | -0.550 | 0.13 |
0.1 | 5.0 | 50.0 | 49.1 | 98.71 ± 0.471 | -1.29 | 0.47 |
0.1 | 5.0 | 100.0 | 98.1 | 98.16 ± 0.271 | -1.83 | 0.28 |
0.1 | 5.0 | 200.0 | 98.1 | 98.16 ± 0.271 | -1.83 | 0.28 |
0.2 | 5.0 | 50.0 | 49.0 | 98.44 ± 0.426 | -1.55 | 0.43 |
0.2 | 5.0 | 100.0 | 99.7 | 99.67 ± 0.186 | -0.32 | 0.19 |
0.2 | 5.0 | 200.0 | 199.0 | 99.49 ± 0.165 | -0.510 | 0.17 |
0.4 | 5.0 | 50.0 | 49.7 | 99.27 ± 0.251 | -0.73 | 0.25 |
0.4 | 5.0 | 100.0 | 97.6 | 97.54 ± 0.196 | -2.45 | 0.20 |
0.4 | 5.0 | 200.0 | 199.7 | 99.74 ± 0.123 | -0.253 | 0.12 |
0.6 | 5.0 | 50.0 | 49.8 | 99.07 ± 0.483 | -0.92 | 0.48 |
0.6 | 5.0 | 100.0 | 98.2 | 98.29 ± 0.134 | -1.70 | 0.14 |
0.6 | 5.0 | 200.0 | 198.9 | 98.71 ± 0.646 | -1.287 | 0.65 |
0.8 | 5.0 | 50.0 | 49.1 | 98.62 ± 0.479 | -1.38 | 0.48 |
0.8 | 5.0 | 100.0 | 99.2 | 99.25 ± 0.098 | -0.74 | 0.10 |
0.8 | 5.0 | 200.0 | 198.2 | 99.22 ± 0.136 | -0.777 | 0.14 |
1.0 | 5.0 | 50.0 | 50.0 | 99.49 ± 0.495 | -0.51 | 0.49 |
1.0 | 5.0 | 100.0 | 97.0 | 97.09 ± 0.147 | -2.91 | 0.15 |
1.0 | 5.0 | 200.0 | 199.5 | 99.66 ± 0.198 | -0.333 | 0.20 |