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Role of reactive intermediates in the radiolytic degradation of Acid Red 1 in aqueous solution

Role of reactive intermediates in the radiolytic degradation of Acid Red 1 in aqueous solution,10.1016/j.radphyschem.2008.07.009,Radiation Physics and

Role of reactive intermediates in the radiolytic degradation of Acid Red 1 in aqueous solution   (Citations: 5)
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The role of reactive intermediates of water radiolysis (eaq−, H, HO, O2−/HO2) in decoloration and mineralization of aqueous solutions of Acid Red 1 dye was investigated. The decoloration is highly effective in the reactions of eaq− and H, and less effective in HO reactions. The O2−/HO2 pair does not take part in decoloration. For mineralization, which is an oxidative degradation, HO radicals are needed: the efficiency increases with the dissolved oxygen concentration. The reactions of the O2−/HO2 radical pair slightly increase the rate of mineralization. Iron and copper ions (possible constituents of waste waters) in low concentration do not influence the reactions.
Journal: Radiation Physics and Chemistry - RADIAT PHYS CHEM , vol. 78, no. 1, pp. 13-18, 2009
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