Precision’s level | Conc. (µg mL− 1) | Rec% | Er%b | SDb |
---|---|---|---|---|
Intra-day precision | 5.0 | 97.284 | 1.864 | 1.916 |
10.0 | 99.383 | 2.410 | 2.425 | |
15.0 | 98.348 | -1.165 | 0.284 | |
20.0 | 100.494 | 0.835 | 0.831 | |
 | 25.0 | 98.012 | -1.98 | 0.475 |
Inter-day precision | 5.0 | 96.296 | 1.960 | 2.035 |
10.0 | 100.494 | 1.864 | 1.855 | |
15.0 | 97.69 | -2.305 | 0.79 | |
20.0 | 101.358 | 0.650 | 0.642 | |
 | 25.0 | 97.95 | -2.049 | 1.2290 |