| 一种检测NO的修饰电极 |
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| 引用本文： | 丁才蓉,莫金垣,蔡沛祥.一种检测NO的修饰电极[J].高等学校化学学报,1999,20(9):1380-1383. |
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| 作者姓名： | 丁才蓉 莫金垣 蔡沛祥 |
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| 作者单位： | 中山大学化学与化学工程学院, 广州 510275 |
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| 基金项目： | 广东省自然科学基金!960006 |
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| 摘 要： | 报道了Fe(Sal2en)]2+的咪唑加合物对NO电氧化的影响.实验表明,它将Fe(Sal2en)]2+对NO的电催化氧化活性提高T2倍.过量咪唑会降低Fe(Sal2en)]2+对NO的催化活性.证实了NO的电催化氧化形成NOFe(Sal2en)]2+中间体的推断.用制得的修饰电极测定NO,当c(NO)在3×10-6～2×10-9mol/L时,有良好线性关系,相对标准偏差小于0.5％,线性相关系数为0.9994,检测限为2×10-9mol/L.满足生理分析的要求.
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| 关 键 词： | 一氧化氮 [Fe(Sal2en)]2+ 咪唑 电催化氧化 |
| 收稿时间： | 1998-10-27 |
A Micro-modified Electrode Detecting Nitric Oxide |
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| DING Cai-rong,MO Jin-yuan,CAI Pei-Xiang.A Micro-modified Electrode Detecting Nitric Oxide[J].Chemical Research In Chinese Universities,1999,20(9):1380-1383. |
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| Authors: | DING Cai-rong MO Jin-yuan CAI Pei-Xiang |
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| Institution: | Department of Chemisty, Zhongshan University, Guangzhou 510275, China |
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| Abstract: | The effects of the adduct of imidazole and Fe(Sal2en)]2+oxidizing nitric oxide electrocatalytically were studled in this paper.The adduct of the 1: 1 mole ratio of Im/Fe(Sal2en)]2+can improve twice the sensitivity at which Fe(Sal2en)]2+oxidizes nitric oxide.It is certain that the media NO·Fe(Sal2en)]2+generates during the electro-oxidation of nitric oxide.The electrode above has a good linear response in the range of 3×10-6～2×10-9mol/Lof NO.The detection limit is 2×10-9mol/L, RSD%<0.5%, δ>0.9994.It satisfys with the need of the phsiological analysis. |
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| Keywords: | Nitric oxide Imidazole [Fe(Sal_2en)]~(2+) Electrocatalytic-oxidation |
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