Table 1.
Performance data of the proposed method.
| Parameter | Spectrofluorimetric Method | Spectrophotometric Method | Ref. method [23] |
|---|---|---|---|
| -concentration range (μg/mL ). | 0.25-5 | 2-24 | |
| -LOD (μg/mL ). | 0.069 | 0.184 | |
| -LOQ (μg/mL). | 0.209 | 0.558 | |
| -Correlation coefficient ( r). | 0.9999 | 0.9999 | |
| -Slope | 31.8 | 0.035 | |
| -Intercept | 19.038 | 0.039 | |
| -Sy/x | 0.928 | 2.72 × 10-3 | |
| -Sa | 0.664 | 1.96 × 10-3 | |
| -Sb | 0.221 | 1.387 × 10-4 | |
| -% Error | 0.29 | 0.21 | |
| -%RSD | 0.65 | 0.51 | |
| -No.of Experiments. | 5 | 6 | 3 |
| -Mean found (%) | 100.12 | 100.74 | 100 |
| ± SD. | 0.65 | 0.51 | 0.31 |
| -Student's t-value. | 0.275 (2.45) | 2.216 (2.37) | |
| -Variance ratio F-test. | 4.352 (19.25) | 2.762 (19.30) | |
| -Applications. | tablet preparations and | spiked human plasma |
N.B.
-Sy/x =standard deviation of the residuals.
-Sa = standard deviation of the intercept of regression line.
-Sb = standard deviation of the slope of regression line
-% Error = RSD%/√ n.
- Figures between parentheses are the tabulated t and F values respectively, at p = 0.05.[25]