高等学校化学学报

高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (5): 614.

• 研究论文 • 上一篇    下一篇

非配对型电极上的示波沉淀滴定

朱俊杰, 姚大庆, 卢宗桂, 高鸿   

  1. 南京大学化学系, 南京 460008
  • 收稿日期:1992-09-08 修回日期:1992-10-15 出版日期:1993-05-24 发布日期:1993-05-24
  • 通讯作者: 朱俊杰
  • 基金资助:

    国家自然科学基金

Oscillographic Precipitating Titration on Uncoupled Platinum Electrode

ZHU Jun-Jie, YAO Da-Qing, LU Zhong-Gui, GAO Hong   

  1. Department of Chemistry, Nanjing University, Nanjing, 210008
  • Received:1992-09-08 Revised:1992-10-15 Online:1993-05-24 Published:1993-05-24

PDF (PC)

被引次数

10

摘要： 本文研究了非配对型铂电极上的示波沉淀滴定,提出了一种处理电极的新方法即硝酸-王水法,讨论了非配对型电极上示波滴定的机理。

关键词: 示波滴定, 非配对型铂电极, 沉淀滴定

Abstract: Oscillographic precipitating titration on uncoupled platinum electrode was studied.Anew method of preprocessing Pt electode is given.The theories of oscillographic titration on uncoupled Pt electrode were proposed.This titration is different from classical potentiometric titration.Its titration curve dose not conform to Nernst equation.The potential change is transient, the change of E-t curve on the endpoint is given in the form of peak-shape and can be observed on the oscillograph.The accurate results were obtained.

Key words: Oscillographic titration, Uncoupled platinum electrode, Precipitating titration

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