固相微萃取技术及其应用

固相微萃取(SolidPhasemicroextraction,SPME)技术是近年来发展起来的一种样品分析预处理的新方法,该技术集采样、萃取、浓缩和进样于一体,简便、快速、经济安全、无溶剂、选择性好、且灵敏度高。文章介绍了固相微萃取的装置、原理、操作及萃取方法,着重论述了其工作条件选择,包括不同涂层的萃取头、萃取时间、萃取温度、搅拌方法、萃取方式、离子强度等因素对固相微萃取的萃取效率的影响,此外文章还指出固相微萃取技术已经广泛的应用于医药、环境、食品等生活领域。

Solid phase microextraction and its latest application

Solid phase microextraction (SPME) is a novel sample preparation method. It is fast, more efficient, simple and easy to operate automatically compared with the conventional solvent extraction methods. This paper describes the structure, principle, sampling method of solid phase microextraction. Especially the optimum extraction parameters include fiber, extracting time, extracting temperature, salt extraction, etc. Solid phase microextraction has been used in environmental analysis, drug analysis and food flavor analysis etc.