Table 2.
Nominal concentration (ng/ml) |
Calculated concentration (ng/ml) (mean ± SD) |
Intra-day RSD (%) |
Inter-day RSD (%) |
Relative error (%) |
---|---|---|---|---|
32.3 | 30.3 ± 4.1 | 11.2 | 10.3 | −5.9 |
645 | 686 ± 52 | 7.9 | 13.7 | 6.4 |
29025 | 27516 ± 2537 | 7.3 | 10.1 | −5.2 |