Figure 13

X-ray diffraction patterns of the pre-oxidized samples after exposed in NaCl + H2O + O2 for 1 h (a), 5 h (b) and 20 h (c).

X-ray diffraction patterns of the pre-oxidized samples after exposed in NaCl + H2O + O2 for 1 h (a), 5 h (b) and 20 h (c).