Table 3.
Elemental composition of selected rCB samples measured by XPS (in at.%).
| Sample | C | O | S | Si | Zn |
|---|---|---|---|---|---|
| rCB | 74.0 | 14.9 | 2.2 | 8.4 | 0.5 |
| rCB_SA_3h | 76.4 | 15.7 | 3.9 | 4.0 | 0.0 |
| G/rCB_SA_3h | 69.9 | 19.8 | 3.9 | 6.4 | 0.0 |
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