期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 61, 期 -, 页码 54-66出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2014.06.008
关键词
Dispersive liquid-liquid microextraction; Hollow-fiber liquid-phase microextraction; Inorganic analysis; Ionic liquid; Liquid-phase microextraction; Metal determination; Preconcentration; Sample preparation; Single-drop microextraction; Speciation analysis
资金
- Polish Ministry of Science and Higher Education [DS PB 31-276/2014]
Current trends in analytical chemistry are leading to miniaturization and reduction in the cost of chemical analysis. Rapid development of traditional liquid-liquid extraction towards liquid-phase microextraction (LPME) is a direct consequence of these trends. Considerable reduction of solvents and waste has been achieved and the number of applications of LPME is rapidly growing. Different types of LPME have emerged, including single-drop microextraction, hollow-fiber LPME and dispersive liquid-liquid microextraction. However, the past decade brought considerable change to the analytical field with the application of ionic liquids (ILs). Their good thermal stability and low vapor pressure make them relatively non-hazardous for analytical applications in comparison to the solvents used traditionally. This review presents the applications of ILs in LPME of metals. It describes the most widely-used procedures and gives examples of emerging sample-preparation techniques. (C) 2014 Elsevier B.V. All rights reserved.
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