Table 9.
The results of XPS analysis obtained in a narrow range of binding energy for Dowex M 4195 after Cu (II) sorption.
| Name | Position [eV] | Area | % Atom Concentration | Phase |
|---|---|---|---|---|
| O 1s | 531.3 | 655.87 | 63.2 | SO42−, C=O |
| O 1s | 532.9 | 382.52 | 36.8 | O-H |
| C 1s | 284.7 | 2054.58 | 60.6 | C=C, C-C, C-H |
| C 1s | 286.0 | 929.85 | 27.4 | C-N |
| C 1s | 287.4 | 119.93 | 3.5 | C=O, C-N |
| C 1s | 289.0 | 59.05 | 1.7 | Shake-up |
| C 1s | 290.2 | 36.17 | 1.1 | π-π |
| C 1s | 292.3 | 191.03 | 5.7 | π-π |
| N 1s | 399.6 | 465.61 | 81.9 | N-pyridine |
| N 1s | 401.6 | 102.64 | 18.1 | C-N |
| S 2p 3/2 | 167.8 | 75.16 | 100.0 | SO42− |
| S 2p 1/2 | 169.0 | 37.58 | - | - |
| Cl 2p 3/2 | 197.8 | 97.94 | 100.0 | Cl− |
| Cl 2p 1/2 | 199.4 | 48.97 | - | - |
| Cu 2p 3/2 | 932.6 | 520.86 | 74.9 | Cu(0). Cu(I) |
| Cu 2p 1/2 | 952.5 | 260.43 | - | - |
| Cu 2p 3/2 | 935.0 | 173.88 | 25.1 | Cu(II) |
| Cu 2p 1/2 | 955.2 | 86.94 | - | - |