电分析化学法在重金属离子检测中的应用

Application of electroanalytical chemistry methods in detection of heavy metal ions

简述了离子选择电极法、极谱分析法、溶出伏安法及电位溶出法用于环境样品检测的特点,着重介绍了国内外电分析化学技术在重金属离子检测中的应用,对电分析化学法在重金属形态分析中的应用进行了评述。分析表明,今后研究的重点应放在优化各种仪器的联用技术,制备新型电极材料,研发高灵敏度、高选择性、响应快、寿命长、微型化、可动态在线检测的新型电化学分析仪器。

The paper describes the properties of ion-selective electrodes method,polarography,stripping voltammetry and potential stripping analysis for environmental sample detection,introduces emphatically the domestic and foreign application of electroanalytical chemistry methods in detection of heavy metal ions,and discusses the application of electroanalytical chemistry methods in analyzing the heavy metal＇s states.The analysis shows that in the future the research should focus on the optimization of hyphenated techniques of various instruments,the preparation of new electrode materials,the research and development of novel electrochemical analysis instruments with the characteristics of high sensitivity,high selectivity,quick response,long service life,miniaturization and dynamic and online detection.