Sample | CEC (mmol·kg−1) | Si/Al ratio |
A4 | 6150 | 1.00 |
Faujasite X | 5560 | 1.24 |
Faujasite Y | 3470 | 2.66 |
Na-P1 | 4500 | 1.67 |
Modernite | 2457 | 4.88 |
Montmorillonite | 1200 | - |
Clinoptilolite | 2112 | 5.04 |