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电导法测定醋酸的电离平衡常数实验的改进

陈玉焕 张姝明 王桂香 张颖

大学化学2016,Vol.31Issue(6):58-61,4.
大学化学2016,Vol.31Issue(6):58-61,4.DOI:10.3866/PKU.DXHX201506014

电导法测定醋酸的电离平衡常数实验的改进

Experimental Improvements on Determination of Dissociation Constant of Acetic Acid by Conductometry

陈玉焕 1张姝明 1王桂香 1张颖1

作者信息

  • 1. 河北工业大学化工学院,天津300130
  • 折叠

摘要

Abstract

Experimental improvements on determination of dissociation constant of acetic acid have been made by using thermostat, improving solution preparation, and changing the way of using electrode. These improvements greatly expand the lifetime of electrodes and reduce the amount of reagents, reducing the experimental cost. The experimental procedure is much simpler and results are more accurate. These improvements enhance the students′understanding about the principle and the method.

关键词

醋酸/电离平衡常数/电导率/实验改进

Key words

Acetic acid/Dissociation constant/Conductivity/Experimental improvement

分类

化学化工

引用本文复制引用

陈玉焕,张姝明,王桂香,张颖..电导法测定醋酸的电离平衡常数实验的改进[J].大学化学,2016,31(6):58-61,4.

基金项目

河北工业大学2015年教育教学改革研究项目(201501003);河北省高等教育学会“十二五”规划2015年度课题(GJXH2015-274) (201501003)

大学化学

1000-8438

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