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研究论文

恒电流激励的离子色谱电导检测系统

  • 陈华宾 ,
  • 黄维雄 ,
  • 胡荣宗
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  • 厦门大学信息科学与技术学院;厦门大学化学化工学院化学系现代分析科学教育部重点实验室;

收稿日期: 2009-02-28

  修回日期: 2009-02-28

  网络出版日期: 2009-02-28

A Conducance Detection System Applying Constant Current Source for Ion Chromatography

  • CHEN Hua-bin ,
  • HUANG Wei-xiong ,
  • HU Rong-zong
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  • (1.School of Information Science and Technology,Xiamen University,Xiamen 361005,Fujian China;2.Department of Chemistry and the Key Laboratory of Analytical Science of the Ministry of Education,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China

Received date: 2009-02-28

  Revised date: 2009-02-28

  Online published: 2009-02-28

摘要

与常用的双电极,双脉冲激励方式不同,本文设计一种四电极,直流恒电流激励方式的新型离子色谱电导检测系统,有效地简化了电路结构,精确并且智能化地完成离子色谱信号的采集、放大、处理、谱图显示等功能.介绍了该检测系统的基本原理及硬件设计.实验结果表明系统运行良好,测量结果准确.

本文引用格式

陈华宾 , 黄维雄 , 胡荣宗 . 恒电流激励的离子色谱电导检测系统[J]. 电化学, 2009 , 15(1) : 1 -4 . DOI: 10.61558/2993-074X.1942

Abstract

Being different from bipolar pulse technique,a new type conductivity detection circuit system applying constant current source for ion chromatography was designed which effectively reduces the complexity of bipolar pulse technique,accurately and intelligently completes the signal amplification,collection,processing and spectrum displaying.In this article the detection principle and the hardware of the system were described and the experimental results with accurate and reliable measurements were shown.

参考文献

[1]Mou Shi-fen(牟世芬),Liu Ke-na(刘克纳).Meth-ods and applications of ion chromatography[M].Bei-jing:Chemical Industry Press,2000. [2]Small H,Stevens T S,Bauman W C.Novel ion ex-change chromatographic method using conductimetricdetection[J].Analytical Chemistry,1975,47:1801-1809. [3]Rosanne M Guijt,Christopher J Evenhuis,MiroslavMacka,et al.Conductivity detection for conventionaland miniaturised capillary electrophoresis systems[J].Electrophoresis,2004,25:4032-4057. [4]Johnson D E,Enke C G.Bipolar pulse technique forfast conductance measurement[J].Analytical Chemis-try,1970,42(3):329-335. [5]Zhou Zhi-you(周志有),Lin Shui-chao(林水潮),Wang Jian-hua(王建华),et al.Conductivity detectorbased on square wave stimulation and pulsed sampling[J].Analytical Instrumentation(in Chinese),2000,4:17-21. [6]Gao Guang-tian(高光天).Theappliedtechniqueofinstrument amplifier[M].Beijing:Science Press,1995.
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