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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >The Fenton Reaction. Dependence of the Rate on pH
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The Fenton Reaction. Dependence of the Rate on pH

机译：芬顿反应。速率对pH的依赖性

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摘要

The pH dependence of the evolution of O_2 in the Fenton reaction has been studied by using an indirect method for measuring [O_2]. The results confirmed observations of previous workers, namely, that the evolution of O_2 diminished as the pH was lowered. A quantitative analysis of the dependence of [O_2] and [Fe~(2+)] during the reaction as a function of time showed that the pH dependence of the course of the reaction can be accounted for by assuming and acid base reaction of the active intermediate: FeO~(2+) + H~+ <=> FeOH~(3+) is the active entity in the reaction with Fe~(2+) to produce Fe~(3+) ions, while the other form FeO~(2+) is involved in reactions leading to O_2 evolution.
机译：通过使用间接测量[O_2]的方法研究了Fenton反应中O_2析出的pH依赖性。结果证实了先前工作人员的观察，即，随着pH降低，O_2的生成减少。对反应过程中[O_2]和[Fe〜（2+）]的依赖性随时间的变化进行定量分析表明，反应过程的pH依赖性可以通过假设和酸碱反应来解释。活性中间体：FeO〜（2+）+ H〜+ <=> FeOH〜（3+）是与Fe〜（2+）反应生成Fe〜（3+）离子的活性实体，其他形式FeO〜（2+）参与导致O_2释放的反应。

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