| Nominal concentration (ng/mL) |
Observed concentration a
(ng/mL, mean ± S.D.) |
Precision b
(%) |
Accuracy c
(%) |
| 10 |
10.43 ± 0.76 |
7.28 |
104.26 |
| 40 |
40.43 ± 3.14 |
7.76 |
101.08 |
| 800 |
751.39 ± 33.04 |
4.40 |
93.92 |
| 1600 |
1591.11 ± 65.97 |
4.15 |
99.44 |
a n = 3 days with six replicates per day.
b Expressed as % R.S.D. (S.D./mean) × 100.
c Calculated as (mean determined concentration/nominal concentration) × 100. |
