Parameters |
LC method |
UV method |
VIS method |
Useful concentration, μg/mL |
6 |
6 |
6 |
Concentration range, μg/mL |
5.0-15.0 |
7.0-12.0 |
8.0-13.0 |
Analytical curve |
44299X + 137924 |
0.0868X -0.0425 |
0.0255X – 0.0257 |
Determination coefficient (r2) |
0.9990 |
0.9995 |
0.9970 |
R.S.D. of repeatability (%) |
0.08 |
0.83 |
0.73 |
R.S.D. intermediate precision (%) |
1.23 |
2.22 |
0.88 |
Accuracy (%) |
98.14 |
98.1 |
98.63 |
RSD of accuracy (%) |
0.74 |
0.9 |
0.68 |
LOQ, µg/mL |
2.89 |
0.73 |
3.82 |
LOD, µg/mL |
0.95 |
0.24 |
1.26 |
|