食品科学 ›› 2000, Vol. 21 ›› Issue (12): 118-120.

• 分析检测 • 上一篇    下一篇

聚苯胺修饰钨丝针型pH传感器的研究及在河鲫鱼测试中的应用

 王朝瑾, 李云峰, 陈志刚   

  1. 上海水产大学食品学院
  • 出版日期:2000-12-15 发布日期:2011-12-05

Investigation on Tungsten Needle pH Sensor Modified by Polyaniline Film and Its Application to the Crucian pH Detection

 WANG  Chao-Jin, LI  Yun-Feng, CHEN  Zhi-Gang   

  • Online:2000-12-15 Published:2011-12-05

摘要: 将聚苯胺修饰的钨丝电极为工作电极,Ag/AgCl电极为参比电极构成针型pH传感器。该传感器在pH2-12范围内呈现Nernst响应,响应时间小于1min。该传感器成功地应用于河鲫鱼由活体到腐败过程中pH值的变化测定。

关键词: 聚苯胺, 钨丝, pH传感器, 河鲫鱼

Abstract: A tungsten elctrode modified with polyaniline was prepared as work electrode.Ag/AgCl redox system was used as reference electrode.The sensor showed a Nernst response in the pH range of 2-12 and a response time of less than 1min.The sensor has been successfully employed to determine pH of crucian from the live fish to the putrefied fish.

Key words: Polyaniline Tundsten pH sensor Crucian