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Values of BET specific surface area, external surface area (SEXT), micropore volume (Vmicro) and mesopore volume (Vmeso) deduced from the N2 adsorption-desorption isotherms of xerogels samples prepared by different drying procedures.
| Sepiolite samples | SBET (m2 g−1) | SEXT (m2 g−1) | Vmicro (cm3 g−1) | Vmeso (cm3 g−1) |
|---|---|---|---|---|
| Starting sepiolitea | 229 | 108 | 0.048 | 0.3126 |
| XG-CF | 275 | 136 | 0.055 | 0.3154 |
| XG-60C | 176 | 111 | 0.026 | 0.2659 |
| XG-FD | 118 | 102 | 0.005 | 0.3208 |
| XG-SD | 180 | 123 | 0.022 | 0.3033 |
30/60 granular sample.
