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Role of Nickel Vanadate in Photocatalytic Degradation of Azure A

Ranjana Rathore, Rakshit Ameta and Suresh C. Ameta

Photocatalytic degradation of Azure A has been carried out in the presence of nickel vanadate powder. Effect of various parameters like pH, amount of nickel vanadate, concentration of Azure A and light intensity on rate of degradation has been observed. A tentative mechanism for the degradation of Azure A has been proposed involving superoxide anion radical as an active reducing species.