Table 5 Comparison and statistical assessment of the results obtained by the proposed and the reported methods
Parameters | Proposed method | Reported method [9] | ||
|---|---|---|---|---|
FEX | PSE | FEX | PSE | |
Linearity range | 100─1500 (ng/mL) | 50─1000 (ng/mL) | 10–80 (µg/mL) | 5–40 (µg/mL) |
LOD | 24.15 (ng/mL) | 12.88 (ng/mL) | 0.75 (µg/mL) | 0.27 (µg/mL) |
% Ra | 99.49 | 98.67 | 99.02 | 99.63 |
RSD | 0.931 | 0.634 | 1.072 | 1.257 |
Student’s t-test (2.306)b | 0.759 | 1.540 | – | – |
F-test (6.388)b | 1.312 | 4.006 | – | – |