Table 3.
Oxygenated functional groups quantification (meq·g−1) on the samples surface obtained by titrations.
| Sample | Carboxyl | Lactones | Phenols |
|---|---|---|---|
| ACC | 0.075 | 0.124 | N/D |
| CCSOx | 0.071 | 0.119 | N/D |
| ACC15m | 0.242 | 0.299 | 0.043 |
| CC15m | 0.225 | 0.288 | 0.041 |
| ACC2h | 0.398 | 0.376 | 0.108 |
| CC2h | 0.371 | 0.365 | 0.101 |
∗ND: Not detectable.