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<table>Relationship of the rate constant under different pH.</table>

International Journal of Photoenergy

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Figure 4 | Photoreduction of Cr(VI) Ions in Aqueous Solutions by UV/
	
		
			
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Photoreduction of Cr(VI) Ions in Aqueous Solutions by UV/ T i O 2 Photocatalytic Processes

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Photoreduction of Cr(VI) Ions in Aqueous Solutions by UV/ Photocatalytic Processes