Table 5.
Ti substrates subjected to alkali treatment [117].
| TiO2 + OH− → HTiO3− | (1) |
| Ti + 3OH− → Ti(OH)3+ + 4e- | (2) |
| Ti(OH)3+ + e− → TiO2·H2O + 0.5H2 | (3) |
| Ti(OH)3+ + OH− → Ti(OH)4 | (4) |
| TiO2•nH2O + OH− ↔ HTiO3−•nH2O | (5) |
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