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Optical characteristics of the proposed method.
| Parameter | Value |
|---|---|
| λ max (nm) | 422 |
| Beer's law limit (μg/mL) | 1–30 |
| Molar absorptivity (L/mol/cm) | 2.285 × 104 |
| LOD (μg/mL) | 0.0691 |
| LOQ (μg/mL) | 0.2095 |
| Linear regression equation (Y = a + bc) | |
| Slope (b) | 0.0259 |
| Intercept (a) | −0.0133 |
| Coefficient of determination (r2) | 0.9992 |
