Research Article
Photoreduction of Cr(VI) Ions in Aqueous Solutions by UV/ Photocatalytic Processes
Table 2
Surface area of P-25 TiO2, 5% Ag/TiO2 and 5% Cu/TiO2.
| Material | Metals added (wt%) | Surface area (m2 g−1) |
| TiO2 (P-25) | — | 53.61 |
| | 0.5 | 57.82 | Ag/TiO2 | 2.0 | 57.68 | | 5.0 | 59.38 |
| | 0.5 | 57.03 | Cu/TiO2 | 2.0 | 58.42 | | 5.0 | 58.79 |
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