| 复合锑膜修饰铜电极溶出伏安法测定水中痕量镉、铅 |
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| 引用本文： | 尹丽君,凌玉,刘刚,李萍,吴守国.复合锑膜修饰铜电极溶出伏安法测定水中痕量镉、铅[J].中国科学技术大学学报,2011(6). |
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| 作者姓名： | 尹丽君 凌玉 刘刚 李萍 吴守国 |
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| 作者单位： | 中国科学技术大学化学系; |
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| 基金项目： | 国家自然科学基金(20975095)资助 |
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| 摘 要： | 制备了一个铜锑合金层过渡的锑膜修饰铜电极,用于水中镉和铅的检测.该电极以铜电极为基底,先利用循环伏安法得到铜锑合金层,然后在合金层表面沉积一层锑膜.研究了电沉积和操作参数对溶出峰电流的影响.在浓度范围1~100μg/L的Cd(Ⅱ)和Pb(Ⅱ)溶液中,该电极显示出良好的线性关系,线性相关系数分别为0.996 0和0.995 2.铜基复合锑膜电极对Cd(Ⅱ)和Pb(Ⅱ)的检出限分别为0.25μg/L和0.08μg/L(信噪比为3).该电极具有成本低、易制作、稳定、低毒、重现性好等优点,有望应用于环境水质的现场监测.
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| 关 键 词： | 锑膜电极 方波溶出伏安法 重金属检测 铅 镉 |
Determination of trace lead and cadmium in water by stripping voltammetry with a copper-based composite antimony film electrode |
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| YIN Lijun,LING Yu,LIU Gang,LI Ping,WU Shouguo.Determination of trace lead and cadmium in water by stripping voltammetry with a copper-based composite antimony film electrode[J].Journal of University of Science and Technology of China,2011(6). |
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| Authors: | YIN Lijun LING Yu LIU Gang LI Ping WU Shouguo |
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| Institution: | YIN Lijun,LING Yu,LIU Gang,LI Ping,WU Shouguo(Department of Chemistry,University of Science and Technology of China,Hefei 230026,China) |
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| Abstract: | |
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| Keywords: | antimony film electrode square wave stripping voltammetry heavy metal detection lead cadmium |
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