| Popis: |
Department of Chemistry, Govt. College, Sirohi-307 001, India Department of Chemistry, College of Science, Sukhadia University, Udaipur-313 002, India E-mail: ameta_sc@yahoo.com Manuscript received 5 October 2001, reviced 16 June 2002. accepted 22 August 2002 Photocatalytic bleaching of Rose Bengal (RB) on zinc oxide powder was carried out in presence of light. The effects of variation of different parameters, like concentration of RB, pH, amount and particle size of the semiconductor imd light intensity on the rate of bleaching were observed. A tentative mechanism for the photocatalytic bleaching of RB has been proposed. |
