Table 4. Kinetics Constants k for the Degradation of Methylene Blue.
| sample no. | k (min–1) |
|---|---|
| P25 | 2.99 × 10–2 |
| as-prepared | 2.97 × 10–3 |
| HTi-1 | 3.68 × 10–3 |
| HTi-2 | 1.06 × 10–2 |
| HTi-3 | 3.11 × 10–2 |
| HTi-4 | 1.02 × 10–2 |
| HTi-5 | 1.59 × 10–3 |
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