Table 1 Surface area, surface hydroxyl site density (Ns), pHpzc and Lewis acid amount degassing at 20 and 150 °C of α-Fe2O3, α-FeOOH and Fe3O4.
From: The behavior of ozone on different iron oxides surface sites in water
Sample | Ns (mmol g−1) | pHpzc | Lewis acid amount (umol g−1) | |
|---|---|---|---|---|
20 °C | 150 °C | |||
α-Fe2O3 | 57 | 7.2 | 0 | 0 |
α-FeOOH | 330 | 8.6 | 795.4 | 106.7 |
Fe3O4 | 116 | 6.8 | 307.6 | 0 |
