Table 1.
Specific surface and Cation Exchange Properties (C.E.C.) values of montmorillonite.
| Mineral | Specific Surface (m2 g−1) | C.E.C. (meq/100 g) |
|---|---|---|
| kaolinite | 10 ÷ 20 | 3 ÷ 10 |
| illite | 80 ÷ 100 | 20 ÷ 30 |
| montmorillonite | 250 ÷ 800 | 80 ÷ 120 |
| chlorite | 80 | 20 ÷ 30 |
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