Table 4: Accuracy and precision for the determination of FVS.
Amount taken µg/mL |
Initial rate method |
Fixed time method |
||||||
Found µg/mL |
Er % |
RSD% |
Recovery% ± SD |
Found µg/mL |
Er % |
RSD% |
Recovery% ± SD |
|
4.00 |
4.01 |
0.25 |
1.87 |
100.25 ± 0.17 |
4.02 |
0.50 |
1.45 |
100.50 ± 0.21 |
8.00 |
8.08 |
1.00 |
1.63 |
101.00 ± 1.02 |
8.05 |
0.62 |
1.12 |
100.62 ± 0.84 |
16.00 |
16.12 |
0.75 |
1.04 |
100.75 ± 0.55 |
16.10 |
0.62 |
0.94 |
100.62 ± 0.56 |
24.00 |
24.18 |
0.75 |
0.87 |
100.75 ± 0.38 |
24.08 |
0.33 |
0.62 |
100.33 ± 0.32 |
36.00 |
36.11 |
0.30 |
0.62 |
100.30 ± 0.22 |
36.14 |
0.39 |
0.42 |
100.39 ± 0.36 |
Mean ± SD |
|
|
100.61 ± 0.47 |
|
|
100.49 ± 0.46 |
||
N |
|
|
6 |
|
|
6 |
||
RSD% |
|
|
0.467 |
|
|
0.458 |
||
SAE |
|
|
0.192 |
|
|
0.188 |
||
*SD: Standard Deviation; N: Number of Experiments; RSD: Relative Standard Deviation; SAE: Standard Analytical Error. |