Calibration | Concentration (mg/mL) | Relative bias (%) | Inter-day precision (%) | Total error (%) | Accuracy (%) |
A | 0.12 | 1.09 | 5.63 | 6.72 | 101.09 |
0.16 | −0.62 | 3.35 | 3.98 | 99.38 | |
0.20 | −0.39 | 1.29 | 1.68 | 99.61 | |
0.24 | −0.02 | 2.10 | 2.12 | 99.98 | |
0.28 | 0.33 | 2.17 | 2.50 | 100.33 | |
B | 0.30 | −0.44 | 1.47 | 1.91 | 99.56 |
0.40 | −0.07 | 0.40 | 0.46 | 99.93 | |
0.50 | 0.18 | 0.44 | 0.62 | 100.18 | |
0.60 | −0.32 | 0.92 | 1.24 | 99.68 | |
0.70 | −0.07 | 1.13 | 1.20 | 99.93 |