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Photocatalytic Degradation of Erythrosin-B in the Presence of Tin Dioxide

Shikha Panchal, Yuvraj Jhala, Anuradha Soni and Ritu Vyas

In the present study, the photocatalytic degradation of Erythrosine-B was studied in presence of semiconductor tin dioxide. The progress of the reaction was observed spectrophotometrically at 520 nm. The effect of various operating variables like pH, concentration of dye, amount of semiconductor and light intensity on the rate of degradation was observed. A tentative mechanism has also been proposed for the photocatalytic degradation of dye.