Table 3 Intra-day and inter-days precision and accuracy for determination of nifedipine in spiked human plasma
| Â | Theoretical concentration (ng/mL) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Parameters | Intra-day reproducibility | Inter-days reproducibility | ||||||||||||
10 | 20 | 40 | 80 | 100 | 200 | 600 | 10 | 20 | 40 | 80 | 100 | 200 | 600 | |
Concentration found (ng/mL) | ||||||||||||||
Mean | 8.35 | 21.33 | 44.09 | 83.93 | 101.1 | 203.63 | 634.48 | 10.51 | 20.01 | 39.16 | 91.17 | 114.82 | 227.41 | 664.38 |
Precision | 4.21 | 10.55 | 6.69 | 8.09 | 4.2 | 2.76 | 1.45 | 8.84 | 5.7 | 15.54 | 14.52 | 4.86 | 1.82 | 2.47 |
Accuracy (%) | 83.46 | 106.67 | 110.22 | 104.91 | 101.1 | 101.82 | 105.75 | 105.08 | 100.04 | 97.9 | 113.96 | 114.82 | 113.7 | 110.73 |