Table 1 Stern–Volmer parameters for the complex-formation reaction between aceclofenac and the fluorescent probe ACF
Temperature | 30 °C (303 K) | 40 °C (313 K) | 50 °C (323 K) |
|---|---|---|---|
Correlation coefficient (r) | 0.993 | 0.992 | 0.990 |
Stern–Volmer quenching constant Ksv (l mol−1) KSV = slope | 0.028 × 106 | 0.026 × 106 | 0.023 × 106 |
T0 (florescence lifetime) | 5 × 10–9 | 5 × 10–9 | 5 × 10–9 |
Bimolecular quenching constant Kq = KSV/t0 | 5.6 × 1012 | 5.2 × 1012 | 4.6 × 1012 |