|
| pH | pHpzc | Moisture content (%) | Bulk density (g·cm−3) |
|
| CAK-P | 3.34 | 2.23 | 5.00 | 0.796 |
|
| CAK-S | 6.91 | 6.37 | 4.62 | 0.849 |
|
| Quantification of surface functions by Boehm titration (meq·g−1) | |||||
|
| Carboxylic | Lactone | Phenol | Total acid | Total base |
| CAK-P | 0.09 | 0.18 | 0.03 | 0.3 | 0 |
| CAK-S | 0.06 | 0.001 | 0.03 | 0.091 | 0.06 |