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| Samples | 0.4/1 | 0.5/1 | 0.6/1 | 0.7/1 | 0.8/1 | 0.9/1 |
| Porosity (%) | 34.6 | 61.2 | 88.0 | 92.6 | 94.1 | 93.5 |
| Surface area (m2 g−1) | 2.04 | 3.17 | 7.22 | 9.43 | 10.61 | 9.21 |
| Average diameter (μm) | 0.76 | 1.58 | 1.04 | 1.76 | 3.96 | 4.52 |
