Table 2.
Impact of temperature on the IE % of porphyrin derivatives (P1 & P2) at 120 min in 2 M HCl solution.
| Inhibitor | Conc., × 106 M | IE % | ||||
|---|---|---|---|---|---|---|
| 25 °C | 30 °C | 35 °C | 40 °C | 45 °C | ||
| P1 | 1 | 84.3 | 82.8 | 79.4 | 78.4 | 76.9 |
| 5 | 86.3 | 84.1 | 82.0 | 80.2 | 79.4 | |
| 9 | 88.1 | 87.9 | 84.6 | 81.7 | 80.1 | |
| 13 | 90.1 | 88.8 | 87.3 | 83.3 | 81.8 | |
| 17 | 91.6 | 89.9 | 88.9 | 86.6 | 83.7 | |
| 21 | 93.6 | 91.2 | 90.8 | 88.4 | 86.2 | |
| P2 | 1 | 77.7 | 74.0 | 70.0 | 64.5 | 60.9 |
| 5 | 80.2 | 77.6 | 72.8 | 68.2 | 63.8 | |
| 9 | 82.7 | 80.4 | 75.2 | 71.0 | 66.7 | |
| 13 | 85.6 | 82.7 | 78.1 | 74.2 | 70.3 | |
| 17 | 88.3 | 85.9 | 81.3 | 77.0 | 74.0 | |
| 21 | 89.6 | 87.7 | 85.1 | 80.6 | 77.8 | |