Analytical Microextraction Techniques

Analytical Microextraction Techniques

Sample treatment has been the focus of intensive research in the last 20 years since it still remains a bottleneck in precise analytical procedures. The low concentration of the target analytes, the ...
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Solid-Phase Microextraction Under the Thin Film Format

Pp. 306-326 (21)

M. Roldán-Pijuán, R. Lucena, S. Cárdenas and M. Valcárcel

Abstract

Thin film microextraction (TFME) is considered as a type of solid-phase microextraction (SPME). There has been a growing interest in TFME as a novel sample preparation technique, which was originally introduced to address the limiting uptake rate and capacity sometimes observed with fiber microextraction. The inherent properties of TFME technique such as the excellent sample clean-up and the larger surface to volume ratio, enhance the sensitivity and the extraction rates. This e-book article is mainly focused on the fundamental principles behind and in the diverse existing TFME configurations, paying particular attention to cotter pin supported format, copper mesh holder and 96-blade format.

Keywords:

Autosampler, Field sampling, In-vivo sampling, Membrane-based TFME, Microextraction, On-site extraction, Sample preparation, Solid phase microextraction (SPME), Sorptive tape extraction, Stirring integrated TFME, Thin film microextraction (TFME), 96-blade (thin film) SPME.

Affiliation:

Department of Analytical Chemistry, Institute of Fine Chemistry and Nanochemistry, Marie Curie Building. Campus de Rabanales. University of Córdoba.14071 Córdoba, Spain.