Surface atomic composition of EFB fibers and TONCs by XPS.
| ID | %C | %O | %Ca | %N | %Si | %Na | %Cl |
|---|---|---|---|---|---|---|---|
| EFB fibers | 84.6 | 11.9 | 1.3 | — | 2.1 | — | — |
| AHP-EFB | 82.3 | 15.6 | 2.1 | — | — | — | — |
| EFB-TOCN | 63.7 | 28.3 | 4.3 | 1.2 | — | 1.2 | 1.3 |
| TOCN30-1:8 | 74.8 | 22.3 | 1.5 | 0.2 | 1.0 | 0.2 | — |
| TOCN 60-1:8 | 71.7 | 24.5 | 2.5 | — | 1.1 | 0.2 | — |
| TOCN 90-1:8 | 70.8 | 25.4 | 1.9 | 0.3 | — | 0.7 | 0.9 |
| TOCN 120-1:8 | 71.1 | 21.7 | 5.6 | 0.4 | 0.4 | 0.8 | — |
| TOCN 120-1:1 | 74.2 | 23.2 | 0.5 | 0.7 | — | 0.6 | 0.8 |
| TOCN 120-1:5 | 72.3 | 24.5 | 1.1 | 0.1 | — | 0.9 | 1.1 |
| TOCN 120-1:10 | 74.8 | 22.9 | 0.9 | 0.2 | — | 0.6 | 0.6 |