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Analytical parameters for the proposed spectrophotometric and fluorimetric methods for determination of FLX based on its reaction with NQS and NBD-Cl, respectively.
| Parameter | Spectrophotometric | Fluorimetric |
|---|---|---|
| method | method | |
| Linear range (μg mL−1) | 0.3–6 | 0.035–0.5 |
| Intercept | 0.0006 | 2.1766 |
| SD of intercept | 0.0038 | 1.9249 |
| Slope | 0.1356 | 0.5793 |
| SD of slope | 0.0014 | 0.0084 |
| Correlation coefficient | 0.9997 | 0.9992 |
| LOD (μg mL−1) | 0.1 | 0.011 |
| LOQ ((μg mL−1) | 0.3 | 0.033 |
