Abstract
Electromembrane extraction (EME) was published for the first time in 2006, and is a liquid-phase microextraction technique intended for analytical sample preparation. In EME, charged analytes are extracted in an electrical field, from the aqueous sample solution, through a supported liquid membrane and into an aqueous acceptor phase. EME is still in an early stage of development, although nearly 80 research papers have been published on the subject. The current paper reviews the EME literature with focus on applications and technical development, and critically discusses the future of the technology.
Highlights
Electromembrane extraction (EME) is a liquid-phase microextraction technique and was rst published in 2006.1 EME is intended for sample preparation prior to techniques like liquid chromatography, capillary electrophoresis, and mass spectrometry
The research indicated that EME with Nitrophenyl octyl ether (NPOE) as the supported liquid membrane was compatible with samples containing up to 50% of ethanol or methanol, or up to 75% dimethyl sulfoxide (DMSO), respectively
This was addressed by the group of See and Hauser, which demonstrated EME of lipophilic anions through a socalled carrier-mediated polymer inclusion membrane (PIM) for the rst time.[63]
Summary
2013, 5, 4549 Astrid Gjelstad*a and Stig Pedersen-Bjergaardab. Electromembrane extraction (EME) was published for the first time in 2006, and is a liquid-phase microextraction technique intended for analytical sample preparation. In EME, charged analytes are extracted in an electrical field, from the aqueous sample solution, through a supported liquid membrane and into an aqueous acceptor phase. EME is still in an early stage of development, nearly 80 research papers have been published on the subject. The current paper reviews the EME literature with focus on applications and technical development, and critically discusses the future of the technology
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