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Liquid-phase microextraction – The different principles and configurations
Trends in Analytical Chemistry ( IF 11.8 ) Pub Date : 2018-06-30 , DOI: 10.1016/j.trac.2018.06.010
Yadollah Yamini , Maryam Rezazadeh , Shahram Seidi

Liquid-phase microextraction is a miniaturized form of traditional liquid–liquid extraction in which the extracting organic phase is limited to a few microliters for extraction of target analytes. Despite the advantages of solid-phase microextraction, liquid-phase microextraction was also rapidly become a popular method due to its unique characteristics. Different liquid-phase microextraction systems have been introduced in order to simplify the extraction approach, increase the selectivity and sample cleanup, efficiency enhancement and make the extraction of various classes of analytes possible. Herein, different microextraction methods, including single drop microextraction, dispersive liquid–liquid microextraction, solidified floating organic drop and hollow fiber based liquid-phase microextraction were reviewed and their principles and configurations were compared. This review is mostly focused on the characteristics of present liquid-phase microextraction techniques and compares the efficiencies of these techniques over each other.



中文翻译:

液相微萃取–不同的原理和配置

液相微萃取是传统液-液萃取的一种小型化形式,其中萃取有机相仅限于几微升,以萃取目标分析物。尽管固相微萃取有很多优点,但液相微萃取由于其独特的特性也迅速成为一种流行的方法。为了简化提取方法,提高选择性和样品净化,提高效率以及使各种类型的分析物的提取成为可能,引入了不同的液相微萃取系统。在这里,有不同的微萃取方法,包括单滴微萃取,分散液-液微萃取,综述了固化的漂浮有机液滴和中空纤维为基础的液相微萃取,并比较了它们的原理和构型。这篇综述主要集中在当前液相微萃取技术的特征上,并比较了这些技术的效率。

更新日期:2019-02-26
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