Recent developments in solid-phase microextraction for on-site sampling and sample preparation |
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Authors: | Chunfeng DuanZheng Shen Dapeng WuYafeng Guan |
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Institution: | Department of Instrumentation & Analytical Chemistry, Key Lab of Separation Science for Analytical Chemistry of CAS, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China |
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Abstract: | On-site sampling and sample preparation favor portable, solventless or even solvent-free techniques. Solid-phase microextraction (SPME) has these advantages. This review focuses on developments between 2007 and early 2011 in microextraction techniques for on-site sampling and sample preparation, including fiber SPME, stir-bar sorptive extraction (SBSE), thin-film microextraction (TFME) and different types of in-needle SPME. The major trends in on-site applications of SPME appear to be fiber and thin-film SPME, microextraction by packed sorbent (MEPS) and the sorbent-packed needle-trap device (NTD). We discuss and compare several aspects of these types of SPME in on-site applications. We also describe sorbent phases for SPME that benefit on-site applications. Finally, we provide a perspective on SPME-based techniques for on-site applications. |
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Keywords: | Fiber solid-phase microextraction In-needle solid-phase microextraction Microextraction by packed sorbent (MEPS) Needle-trap device On site Sample preparation Sampling Solid-phase microextraction (SPME) Stir-bar sorptive extraction (SBSE) Thin-film microextraction |
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