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| Sample | N2 (77 K) | CO2 (298 K) | |||
|---|---|---|---|---|---|
| Surface area (m2 g−1) | Pore volume (cm3 g−1) | Surface area (m2 g−1) | Pore volume (cm3 g−1) | ||
| BETa | Total | DRb | DRb | DRb | |
| Zeobuilder 4A | 14 | 0.07 | 0 | 684 | 0.324 |
| Basalt based zeolite 4A | 19 | 0.05 | 0 | 726 | 0.345 |
Brunauer–Emmett–Teller.
Dubinin–Radushkevich.
