| Aqueous matrix | k1 (min−1) × 10−3 (for TiO2) | k2 (min−1) × 10−3 (for ZnO) |
| CBZ without addition | 97 | 81 |
| CBZ + i-PrOH | 16 | 22 |
| IBP without addition | 382 | 326 |
| IBP + i-PrOH | 160 | 215 |