分散液相微萃取技术研究的最新进展

Recent developments of dispersive liquid-liquid microextraction technique

分散液相微萃取(DLLME)作为一种新型样品前处理技术,具有操作简便、快速,富集效率高,萃取剂使用量少等优点。本文对近年来该技术在分离科学领域应用的最新进展进行了简要评述。主要讨论了以下3个方面:(1)DLLME与其他净化或萃取技术的结合;(2)萃取剂的拓展;(3)萃取装置的改进。

As a relatively new sample preparation technique, dispersive liquid-liquid microex- traction （DLLME） has the advantages of simplicity of operation, high enrichment factor and low consumption of organic solvent. In this review, the recent advances of DLLME and its important applications are briefly reviewed, including （ 1 ） the combined use of DLLME with other extraction methods, （2） the expansion of the extraction solvent, （ 3 ） the development of extraction devices.