Table 2.
Recovery results for evaluation of accuracy and precision for the determination of NIC and CAF by the proposed green chromatographic method
| Parameter | NIC concentration (mg/mL) | CAF concentration (mg/mL) | |||||
|---|---|---|---|---|---|---|---|
| 0.5 | 1.0 | 1.5 | 1.0 | 2.0 | 3.0 | ||
| Intra-day (n = 3) | Mean | 100.84 | 99.40 | 100.50 | 102.71 | 99.40 | 101.40 |
| ± SD | 1.53 | 0.76 | 0.95 | 0.15 | 0.76 | 1.31 | |
| % RSD | 1.51 | 0.77 | 0.95 | 0.16 | 0.77 | 1.29 | |
| % Error | 0.87 | 0.44 | 0.55 | 0.09 | 0.44 | 0.74 | |
| Inter-day (n = 3) | Mean | 99.50 | 100.18 | 100.90 | 99.02 | 100.67 | 99.23 |
| ± SD | 1.13 | 1.06 | 1.66 | 0.67 | 1.93 | 1.15 | |
| % RSD | 1.14 | 1.06 | 1.65 | 0.68 | 1.92 | 1.16 | |
| % Error | 0.66 | 0.61 | 0.95 | 0.39 | 1.11 | 0.67 | |
*Each result is the mean recovery of three separate determinations