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硫酸水溶液中铅阳极膜形成及其结构的非现场FTIR反射吸收光谱—电化学研究
引用本文:张久俊,陆君涛,查全性,冯子刚.硫酸水溶液中铅阳极膜形成及其结构的非现场FTIR反射吸收光谱—电化学研究[J].无机化学学报,1991,7(2):224-228.
作者姓名:张久俊  陆君涛  查全性  冯子刚
作者单位:武汉大学化学系, 武汉430072,武汉大学化学系, 武汉430072,武汉大学化学系, 武汉430072,武汉大学分析测试中心, 武汉430072
摘    要:本文用非现场红外反射吸收光谱方法和电化学循环伏安法研究了1.0mol·dm-3H2SO4中-0.6至2.5伏电势范围内(相对SCE)Pb阳极膜的形成及其可能的结构.在此电势区内Pb阳极膜中始终存在硫酸铅或碱式硫酸铅,其中SO42-主要以桥式双齿配位方式与Pb2+结合.另外,上述电势范围内生成的膜中无可检测量的H2O和OH-存在.

关 键 词:FTIR  铅阳极模  硫酸  电化学
收稿时间:1988/9/10 0:00:00

EX-SITU FTIR REFLECTION-ABSORPTION SPECTRO-ELECTROCHEMICAL STUDIES OF LEAD ANODIC FILM FORMED IN SULFURIC ACID AQUEOUS SOLUTION
Zhang Jiujun,Lu Juntao,Zha Quanxing and Feng Zigang.EX-SITU FTIR REFLECTION-ABSORPTION SPECTRO-ELECTROCHEMICAL STUDIES OF LEAD ANODIC FILM FORMED IN SULFURIC ACID AQUEOUS SOLUTION[J].Chinese Journal of Inorganic Chemistry,1991,7(2):224-228.
Authors:Zhang Jiujun  Lu Juntao  Zha Quanxing and Feng Zigang
Institution:Chemistry Department, Wuhan University, Wuhan 430072,Chemistry Department, Wuhan University, Wuhan 430072,Chemistry Department, Wuhan University, Wuhan 430072 and Center of Analysis, Wuhan University, Wuhan 430072
Abstract:The anodic filmpotential-statically formed on lead electrode in 1.0 mol·dm-3 sulfuric acid aqueous solution was studied using ex-situ FTIR reflection-absorption spectroscopy and cyclic voltametry. Lead sulfate and basic lead sulfates were found to exist while neither H2O nor OH" ions was detected in the anodic film formed in the potential range -0.6 to 2.5 V(vs. SCE). The bridged bidentate coordination mode of SO42- to Pb2+ in the film was proposed based on the FTIR reflection-absorption spectra.
Keywords:FTIR of anodic film on lead  anodic film on lead
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