Physicochemical characteristics of natural SSS and ACS75.
| Parameters | Values | ||
|---|---|---|---|
| SSS | ACS75 | ||
| Specific surface (m2 g−1) | 6.106 | 27.145 | |
| Average pore radius (Å) | 3.17330 | 4.22635 | |
| Total pore volume (cm3 g−1) | 9.689 | 10.736 | |
| Porosity (%) | 82.92 | 87.8 | |
| Porous volume (cm3 g−1) | 2.217 | 20.902 | |
| Apparent density (g cm−3) | 0.374 | 0.042 | |
| Real density (g cm−3) | 2.189 | 0.344 | |
| pHZPC | 7.14 | 4.6 | |
| S A (cm−1) | m s = 0.5 g L−1 | — | 2.383 |
| m s = 1 g L−1 | — | 4.766 | |
| m s = 1.5 g L−1 | 0.802 | 7.148 | |
| m s = 2 g L−1 | — | 9.531 | |