| pH | Lead Adsorption | Chromium Adsorption | ||
| Cs, mg/g | K, g・mg−1・min−1 | Cs, mg/g | K, g・mg−1・min−1 | |
| 3 | 22.47 | 0.0026 | 9.52 | 0.0346 |
| 4.5 | 18.35 | 0.0064 | 11.85 | 0.016 |
| 6 | 21.46 | 0.0056 | 15.61 | 0.007 |
| 7.5 | 21.32 | 0.0094 | 18.08 | 0.005 |