| 催化动力学光度法测定抗坏血酸的反应动力学 |
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| 引用本文： | 单金缓,范立,霍树营.催化动力学光度法测定抗坏血酸的反应动力学[J].河北大学学报(自然科学版),2006,26(4):381-384. |
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| 作者姓名： | 单金缓 范立 霍树营 |
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| 作者单位： | 河北大学,化学与环境科学学院,河北省分析科学技术实验室,河北,保定,071002 |
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| 摘 要： | 研究了溴酸钾氧化甲基橙体系催化动力学测定抗坏血酸(维生素C)的反应动力学规律,实验表明:反应对甲基橙为一级反应,对维生素C也是一级反应,并求得了相应的表观活化能.
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| 关 键 词： | 动力学 抗坏血酸 表观活化能 |
| 文章编号： | 1000-1565(2006)04-0381-04 |
| 修稿时间： | 2005年10月26 |
Kinetics of Spectrophotometric Determination of Trace Amounts of Vitamin C by Catalytic Kinetic Method |
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| SHAN Jin-huan,FAN Li,HUO Shu-ying.Kinetics of Spectrophotometric Determination of Trace Amounts of Vitamin C by Catalytic Kinetic Method[J].Journal of Hebei University (Natural Science Edition),2006,26(4):381-384. |
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| Authors: | SHAN Jin-huan FAN Li HUO Shu-ying |
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| Abstract: | The kinetic law of the reaction system,based on the Vc—catalyzed oxidation of methyl-orange(MO) with KBrO-3 in nitric acid medium,was studied.The reaction was found to be first order to methyl-orange and Vc respectively.The activation parameters of the reaction have been calculated. |
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| Keywords: | kinetics ascorbic acid apparent activation energy |
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