| 聚天青I修饰电极差分脉冲伏安法测定乳糖酸阿奇霉素 |
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| 引用本文： | 李华刚,张旭春,伍远辉,罗宿星,勾华,朱万强.聚天青I修饰电极差分脉冲伏安法测定乳糖酸阿奇霉素[J].西南师范大学学报(自然科学版),2012,37(5):35-38. |
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| 作者姓名： | 李华刚 张旭春 伍远辉 罗宿星 勾华 朱万强 |
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| 作者单位： | 遵义师范学院化学系,贵州遵义,563002 |
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| 基金项目： | 遵义市科技局基金资助项目 |
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| 摘 要： | 用循环伏安法制备了聚天青Ⅰ修饰玻碳电极,用交流阻抗对修饰电极进行了表征,研究了乳糖酸阿奇霉素在修饰电极上的电化学行为,并用差分脉冲伏安法对其进行了测定.结果表明:该方法对乳糖酸阿奇霉素在1.97×10-5～5.41×10-4 mol/L浓度范围内呈良好的线性关系,线性回归方程为:IP=-0.068 43c-5.189,检出限为8.15×10-6 mol/L,相关系数为R=0.990 2.
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| 关 键 词： | 天青Ⅰ 修饰电极 差分脉冲伏安法 乳糖酸阿奇霉素 |
Differential Pulse Voltammetric Determination of Azithromycin Lactobionate with the Poly(azure I)-Modified Glass Carbon Electrode |
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| LI Hua-gang
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ZHANG Xu-chun
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WU Yuan-hui
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LUO Su-xing
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GOU Hua
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ZHU Wan-qiang.Differential Pulse Voltammetric Determination of Azithromycin Lactobionate with the Poly(azure I)-Modified Glass Carbon Electrode[J].Journal of Southwest China Normal University(Natural Science),2012,37(5):35-38. |
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| Authors: | LI Hua-gang ZHANG Xu-chun WU Yuan-hui LUO Su-xing GOU Hua ZHU Wan-qiang |
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| Institution: | Department of Chemistry,Zunyi Normal College,Zunyi Guizhou 563002,China |
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| Abstract: | A poly(azure Ⅰ) film-modified electrode was prepared by cyclic voltammetry and characterized by electrochemical impedance spectroscopy(EIS) measurements.Electrochemical behaviors of azithromycin lactobionate in the modified electrode were studied and determined with differential pulse voltammetry.The modified electrode showed a good linear current response for azithromycin lactobionate in the range from 1.97×10-5 to 5.41×10-4 mol/L with a detection limit of 8.15×10-6 mol/L.The linear regression equation was IP=-0.068 43C-5.189 with a correlation coefficient of 0.992. |
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| Keywords: | azureⅠ modified electrode differential pulse voltammetry azithromycin lactobionate |
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