| 微分脉冲极谱法测定电液中痕量铅 |
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| 引用本文： | 杨生恕. 微分脉冲极谱法测定电液中痕量铅[J]. 电池, 1991, 0(1) |
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| 作者姓名： | 杨生恕 |
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| 作者单位： | 贵州大学化学系 贵州 |
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| 摘 要： | 本文采用F—78型脉冲极谱仪,对锰—锌干电池电液(净化前和净化后)中痕量铅进行了微分脉冲极谱测定。电液中存在的ZnCl_2可作为支持电解质,在此底液中,Pb~(2+)(?)原的峰电位为—0.45V(相对Ag-AgCl电极、实验值),可采用标准加入法进行测定。方法可靠,简便快速。
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| 关 键 词： | 锌一锰干电池 电液中铅 微分脉冲极谱法 |
Differential Pulse Polarography Determination of Trace Lead in the Electrolyte of Zinc Manganese Dioxide Dry Cells |
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| Affiliation: | Department of Chemistry,Guizhou University,Guizhou,550025 Yang Sengshu |
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| Abstract: | Trace lead in the electrolyte of zinc-manganese dioxide dry cells were measured by differential pulse polarography with F-78 Pulse Polarographor. Zinc chloride was used in solution as supporting.electrolyte. It was found that the peak potential of polarographic wave was -0. 45V(vs Ag -AgCl electrode). Concentrations could be evaluated by standard addition. This method was simple and fast. |
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| Keywords: | Zinc Manganese Dioxide Dry Cells Lead in Electrolyte Differential Pulse Polarography |
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