| Sample | Si released (mmol·kg−1) | Al released (mmol·kg−1) |
| A4 | 21 | 689 |
| Faujasite X | 0.0 | 101 |
| Faujasite Y | 50 | 0.0 |
| Na-P1 | 22 | 1152 |
| Modernite | 0.0 | 0.0 |
| Montmorillonite | 223 | 178 |
| Clinoptilolite | 0.0 | 0.0 |