Table 6 Elemental analysis of NVNC by EDX spectra before and after defluoridation
Elemental analysis (EDX) (before) | Elemental analysis (EDX) (after) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Composition | CK | NK | OK | FK | Total | CK | NK | OK | FK | Total |
Energy (eV) | 0.3 | 0.5 | 0.6 | 1.1 | Â | 0.3 | 0.5 | 0.6 | 1.1 | Â |
Wt.% (mass ratios) | 84.3 | 3.0 | 12.7 | - | 100 | 84.1 | 1.1 | 10.1 | 4.7 | 100 |
At.% (atomic percentages) | 84.6 | 2.9 | 12.5 | - | 100 | 85.1 | 0.9 | 9.8 | 4.2 | 100 |