| Catalyst | Co 2p3/2 BE (eV) |
| 10Co/Com-A | 781.45 |
| 10Co/MA | 781.04 |
| 10Co/1ZrMA-(s) | 780.97 |
| 10Co/2ZrMA-(s) | 780.86 |
| 10Co/5ZrMA-(s) | 780.52 |
| 10Co/5ZrMA-(i) | 780.83 |
| 10Co/10ZrMA-(s) | 780.66 |
| 10Co/15ZrMA-(s) | 780.77 |