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<table>Effect of pH value on the photodegradation of phenol with 0.25 g N-TiO<sub>2</sub> powders.</table>

International Journal of Photoenergy

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Figure 7

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International Journal of Photoenergy

Nanocrystalline N-Doped Powders: Mild Hydrothermal Synthesis and Photocatalytic Degradation of Phenol under Visible Light Irradiation

Figure 7