Table 4.
The atomic composition of reference (non-corroded), and corroded disks obtained from XPS survey spectra. C1s due to surface contamination was excluded from these estimations.
| Atomic% (max-min) |
Si | Al | Na | N | K | Ca | Mg | P | Zn | Zr | F | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reference | 55.5-51.7 | 14.5-8.5 | 10.1-4.7 | 12.8-7.9 | 6.7-5.2 | 4.7-2.2 | 5.7-1.9 | 2.4-0.4 | 1.7-0.8 | 0.8-0.4 | 0.8-0.4 | |
| pH10 | 58.6 | 12.1 | 5.6 | 11.6 | 8.1 | 4.0 | ||||||
| pH 2 | 49.4 | 11.7 | 16.7 | 13.3 | 8.9 |