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Specific surface area, surface area of the micropores and external surface area for the natural and treated chrysotile for 8, 12, 16 and 20 min
| Natural | 8 min | 12 min | 16 min | 20 min | |
|---|---|---|---|---|---|
| SBET (m2 g−1) | 10.0 | 146.1 | 160.8 | 249.2 | 248.5 |
| Smicro (m2 g−1) | 0.0 | 63.5 | 79.3 | 130.6 | 138.2 |
| Sext (m2 g−1) | 10.0 | 82.6 | 81.5 | 118.5 | 110.3 |
