期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 39, 期 -, 页码 245-253出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2012.07.005
关键词
Calibration; Desorption; Extraction phase; Microextraction; Sample preparation; Sampling; Solid-phase microextraction (SPME); Thin-film desorption; Thin-film microextraction (TFME); Thin-film preparation
As a new geometry for solid-phase microextraction, thin-film microextraction (TFME) has become an attractive sample-preparation technique. The high surface area-to-volume ratio together with the increase of extraction-phase volume enhanced the sensitivity of this technique without sacrificing the sampling time compared to other microextraction approaches. Comprehensive research has demonstrated the good agreement of the experimental data with the fundamental principle of this technique. In this review, we summarize the theory of the sampling process, the reported calibration methods and diverse TFME formats, different structures of the extraction phase and related preparation methods. Furthermore, we discuss approaches to TFME desorption, coupling with different analytical instruments and the main applications of this technique. (c) 2012 Elsevier Ltd. All rights reserved.
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