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聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用

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王洪海, 朱爱梅, 石光辉, 胡印月, 张莉, 王赪胤. 聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用[J]. 环境化学, 2012, 31(8): 1171-1178.
引用本文: 王洪海, 朱爱梅, 石光辉, 胡印月, 张莉, 王赪胤. 聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用[J]. 环境化学, 2012, 31(8): 1171-1178.
shu
WANG Honghai, ZHU Aimei, SHI Guanghui, HU Yinyue, ZHANG Li, WANG Chengyin. Determination of Pb(Ⅱ) on poly(Lamotrigine)/bismuth composite film modified glassy carbon electrode by anodic stripping voltammetry[J]. Environmental Chemistry, 2012, 31(8): 1171-1178.
Citation: WANG Honghai, ZHU Aimei, SHI Guanghui, HU Yinyue, ZHANG Li, WANG Chengyin. Determination of Pb(Ⅱ) on poly(Lamotrigine)/bismuth composite film modified glassy carbon electrode by anodic stripping voltammetry[J]. Environmental Chemistry, 2012, 31(8): 1171-1178.
shu

聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用

  • 1.

    扬州环境资源职业技术学院, 扬州, 225127;

  • 2.

    扬州大学化学化工学院, 扬州, 225002;

  • 3.

    江苏省环境材料与环境工程重点实验室, 扬州, 225002

  • 基金项目:

    国家自然科学基金资助课题(20975091)

    2010年江苏省大学生实践创新基金资助项目(编号:2010-470)

    2011年度省级重点实验室开放课题(K11035)资助.

Determination of Pb(Ⅱ) on poly(Lamotrigine)/bismuth composite film modified glassy carbon electrode by anodic stripping voltammetry

  • 1.

    Yangzhou Vocational College of Environment and Resources, Yangzhou, 225127, China;

  • 2.

    Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China;

  • 3.

    Jiangsu Province Key Laboratory of Environmental Material and Environmental Engineering, Yangzhou, 225002, China

  • Fund Project:

  • 摘要: 研究了拉莫三嗪在玻碳电极上的电化学修饰及其修饰电极的电化学行为.在H2SO4介质中,采用循环伏安法制备了聚拉莫三嗪膜修饰玻碳电极(PLTG/GCE),并对修饰层进行了表征;同时研究了用同位镀铋的方法,制得聚拉莫三嗪/铋膜修饰电极(PLTG/Bi/GCE).实验结果表明,铅在聚拉莫三嗪/铋膜修饰电极上可得到灵敏的阳极溶出峰.在最佳实验条件下,Pb2+浓度与其峰电流在4.8×10-8-1.6×10-6 mol·L-1范围内呈良好的线性,线性关系为R=0.9979,检测限为8.1×10-9 mol·L-1.应用于实际水样中Pb2+的测定,结果满意.
    Abstract: A novel voltammetric method using a poly(lamotrigine)/bismuth composite film modified glassy carbon electrode was developed for the measurement of Pb(Ⅱ) content at low concentration levels by anodic stripping voltammetry. Well-defined sharp stripping peaks from Pb(Ⅱ) were observed with an extremely low baseline. The relationship between oxidation peak current and the concentration of Pb(Ⅱ) was linear in the range of 4.8×10-8-1.6×10-6 mol·L-1.The detection limit of Pb(Ⅱ) is 8.1×10-9 mol·L-1. The poly(lamotrigine)/bismuth/GCE was applied in the determination of Pb(Ⅱ) in tap water and lake water samples with satisfactory results.
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  • 收稿日期:  2011-09-13
王洪海, 朱爱梅, 石光辉, 胡印月, 张莉, 王赪胤. 聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用[J]. 环境化学, 2012, 31(8): 1171-1178.
引用本文: 王洪海, 朱爱梅, 石光辉, 胡印月, 张莉, 王赪胤. 聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用[J]. 环境化学, 2012, 31(8): 1171-1178.
shu
WANG Honghai, ZHU Aimei, SHI Guanghui, HU Yinyue, ZHANG Li, WANG Chengyin. Determination of Pb(Ⅱ) on poly(Lamotrigine)/bismuth composite film modified glassy carbon electrode by anodic stripping voltammetry[J]. Environmental Chemistry, 2012, 31(8): 1171-1178.
Citation: WANG Honghai, ZHU Aimei, SHI Guanghui, HU Yinyue, ZHANG Li, WANG Chengyin. Determination of Pb(Ⅱ) on poly(Lamotrigine)/bismuth composite film modified glassy carbon electrode by anodic stripping voltammetry[J]. Environmental Chemistry, 2012, 31(8): 1171-1178.
shu

聚拉莫三嗪/铋膜修饰电极的电化学行为及分析应用

  • 1.  扬州环境资源职业技术学院, 扬州, 225127;
  • 2.  扬州大学化学化工学院, 扬州, 225002;
  • 3.  江苏省环境材料与环境工程重点实验室, 扬州, 225002
  • 收稿日期:  2011-09-13
基金项目:

国家自然科学基金资助课题(20975091)

2010年江苏省大学生实践创新基金资助项目(编号:2010-470)

2011年度省级重点实验室开放课题(K11035)资助.

摘要: 研究了拉莫三嗪在玻碳电极上的电化学修饰及其修饰电极的电化学行为.在H2SO4介质中,采用循环伏安法制备了聚拉莫三嗪膜修饰玻碳电极(PLTG/GCE),并对修饰层进行了表征;同时研究了用同位镀铋的方法,制得聚拉莫三嗪/铋膜修饰电极(PLTG/Bi/GCE).实验结果表明,铅在聚拉莫三嗪/铋膜修饰电极上可得到灵敏的阳极溶出峰.在最佳实验条件下,Pb2+浓度与其峰电流在4.8×10-8-1.6×10-6 mol·L-1范围内呈良好的线性,线性关系为R=0.9979,检测限为8.1×10-9 mol·L-1.应用于实际水样中Pb2+的测定,结果满意.

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