[酸性橙7降解的机制与动力学研究]
[Mechanism and kinetics studies on the degradation of acid orange 7].
作者信息
Liu Shi-Heng, Wang Shi-Long, Sun Xiao-Yu, Li Wen-Zhe, Ni Ya-Ming, Wang Wen-Feng, Wang Min, Yao Si-De
机构信息
Analysis and Research Center, Tongji University, Shanghai 200092, China.
出版信息
Guang Pu Xue Yu Guang Pu Fen Xi. 2005 May;25(5):776-9.
The reactions of *OH and e(aq)-, with AO7 in aqueous solutions were studied by nano-second pulse radiolysis techniques. The transient absorption spectra were attributed and the second order reaction rate constants were determined by following the buildup kinetics of the transient absorptions. In combination with the analysis of the UV-Vis absorption changes of AO7 after gamma-radiolysis, the underlying reaction mechanisms were elucidated.
采用纳秒脉冲辐解技术研究了水溶液中·OH和水合电子（e(aq)-）与AO7的反应。对瞬态吸收光谱进行了归属，并通过跟踪瞬态吸收的增长动力学确定了二级反应速率常数。结合γ辐解后AO7的紫外-可见吸收变化分析，阐明了潜在的反应机理。
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