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BET specific surface area, meso-pore volume and meso-pore size evaluated by N2 adsorption desorption measurement.
| Samples | Surface area (m2/g) | Pore volume (cc/g) | Pore size (nm) |
|---|---|---|---|
| SPEEK-5 | 3.406 | 0.007 | 2.382 |
| SPEEK-15 | 7.607 | 0.009 | 2.600 |
| SPEEK-30 | 7.990 | 0.017 | 2.838 |
| SPEEK-60 | 7.463 | 0.019 | 2.838 |
| SPEEK-90 | 7.340 | 0.019 | 2.838 |
