Table 1 Linearity, accuracy, and precision of results (n = 3)
No | Linear range | Regression equation | r 2 | Precision (%RSD) | Accuracy | ||
|---|---|---|---|---|---|---|---|
|  | (µg/mL) |  |  | Intra-day | Inter-day | Intra-day | Inter-day |
1 | 6.3–100.0 | y = 0.0023x–0.0036 | 0.999 | 1.1 ± 1.0 | 1.2 ± 1.0 | 101.0 ± 3.2 | 100.9 ± 3.3 |
2 | 6.3–100.0 | y = 0.0152x–0.0148 | 0.999 | 0.8 ± 0.3 | 0.6 ± 0.3 | 97.5 ± 0.8 | 96.5 ± 0.4 |