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Pb(Ⅱ)阳极溶出峰峰形的影响因素探究

Influence Factors Study on Anodic Peak Shape of Pb(Ⅱ)
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摘要 利用方波溶出伏安法(SWASV)与扫描电子显微镜(SEM)系统研究了Pb(Ⅱ)阳极溶出峰形的影响因素,确定了电极材料、Pb(Ⅱ)浓度和沉积时间及电沉积形貌对Pb(Ⅱ)阳极溶出峰峰形的影响.研究结果表明Pb(Ⅱ)浓度和沉积时间对其阳极溶出峰峰形具有类似的影响,而电极材料暴露的不同晶面影响Pb(Ⅱ)的阳极溶出峰.此外,Pb(Ⅱ)的阳极溶出峰的峰形与沉积到电极表面Pb的尺寸有很大的关系.以上所获得的研究结果对Pb(Ⅱ)的电沉积及对Pb(Ⅱ)的准确检测提供了科学的指导. The influence factors of the Pb(Ⅱ)'s anodic stripping peak shape were studied systematically using square wave stripping voltammetry electrochemical method,and electrode material,Pb(Ⅱ)concentration and deposition time were determined to have certain influence to the anodic stripping peak shape of Pb(Ⅱ),among these factors,the concentration and deposition time had a similar influence to the striping shape of Pb(Ⅱ),and the influence of electrode material might depend on the crystal effect.In addition,the peak shape of the anodic stripping peak of Pb(Ⅱ)has a great relationship with the size of the electrode surface deposited Pb.The obtained research results provide a scientific direction to electrochemical deposition and trace detection of Pb(Ⅱ).
作者 邓博文 杨猛 黄行九 DENG Bo-wen;YANG Meng;HUANG Xing-Jiu(The First Middle School of Suizhou City, Suizhou 441300,China;University of Science and Technology of China, Hefei 230031 ,China;Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031 ,China)
出处 《广西民族大学学报(自然科学版)》 CAS 2018年第1期84-89,共6页 Journal of Guangxi Minzu University :Natural Science Edition
基金 国家自然科学基金(21475133 U1532123 21377131 61474122)
关键词 Pb(Ⅱ)阳极溶出峰 浓度 沉积时间 电极材料 沉积形貌 Anodic stripping peak of Pb(Ⅱ) concentration deposition time electrode materials deposition morphology
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