| Fe（Ⅱ）对Cr（Ⅳ）─I~－体系诱导反应机理的研究 |
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| 引用本文： | 闫永胜,于亚丽,杨景海,左本成,傅承光. Fe（Ⅱ）对Cr（Ⅳ）─I~－体系诱导反应机理的研究[J]. 河北大学学报(自然科学版), 1995, 0(4) |
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| 作者姓名： | 闫永胜 于亚丽 杨景海 左本成 傅承光 |
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| 作者单位： | 四平师范学院化学系 |
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| 摘 要： | 本文考查了下Ｆｅ（Ⅲ）－Ｉ－、Ｃｒ（Ⅳ）－Ｉ－及Ｃｒ（Ⅳ）－Ｉ－Ｆｅ（Ⅱ）体系的反应曲线，证明由于Ｆｅ（Ⅱ）的引入，体系产生Ｃｒ（Ｖ）中间体并快速氧化Ｉ－；通过实验确定Ｃｒ（Ⅳ）－Ｉ－－Ｆｅ（Ⅱ）体系的化学计量关系，导出了诱导反应的机理及速率方程，并通过反应曲线的研究进一步证实了反应机理。
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| 关 键 词： | Fe（Ⅱ）；Cr（Ⅳ）－I~－体系；诱导反应机理 |
Study on Reaction Mechanism of Cr(Ⅳ)-I￣- System Induced by Fe(Ⅱ) |
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| Yan Yongsheng, Yu Yali, Yang Jinghai. Study on Reaction Mechanism of Cr(Ⅳ)-I￣- System Induced by Fe(Ⅱ)[J]. Journal of Hebei University (Natural Science Edition), 1995, 0(4) |
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| Authors: | Yan Yongsheng Yu Yali Yang Jinghai |
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| Abstract: | The reaction mechanism of Cr(Ⅳ)- I- system induced by Fe(Ⅱ) was studied by spectrophotometry. It was found that under the induction of Fe(Ⅱ) and Cr(V) as an intermediate is first fomied, then it oxidizes I to i2 rapidly. The stoichiometric relationship of Cr(Ⅳ)-I-Fe(Ⅱ) reaction system was determined experimentally. Based on the experimental results a mechanism of the induced oxidation reaction was proposed and the rate equation was also derived. |
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| Keywords: | Fe(Ⅱ)Cr(Ⅳ)-I￣- system Reaction mechanism |
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