Table 2.
Repeatability and precision of the UHPLC method.
| Compound | Repeatability 1 | Intra-day 1 1 | Intra-day 2 1 | Inter-day 1 |
|---|---|---|---|---|
| 2 | 12.9 (0.138) | 10.9 (4.95) | 10.6 (4.90) | 10.8 (4.82) |
| 3 | 2.16 (2.29) | 1.73 (5.52) | 1.68 (4.20) | 1.71 (4.97) |
| 4 | 8.38 (1.19) | 7.73 (4.18) | 7.29 (4.83) | 7.51 (5.25) |
| 5 + 6 | 1.96 (1.62) | 1.72 (3.02) | 1.55 (5.48) | 1.64 (6.89) |
| 7 | 2.12 (1.05) | 1.63 (6.89) | 1.71 (9.01) | 1.67 (7.82) |
| 8 | 1.08 (0.389) | 0.907 (3.37) | 0.897 (3.66) | 0.902 (3.40) |
| 9 | 1.73 (0.169) | 1.39 (4.87) | 1.39 (5.34) | 1.39 (4.88) |
1 Concentrations are given in µg/mL, relative standard deviations are given in parentheses and are stated in percent.