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New Trends in Sample Preparation Techniques for Environmental Analysis

Title
New Trends in Sample Preparation Techniques for Environmental Analysis
Type
Another Publication in an International Scientific Journal
Year
2014
Authors
Cláudia Ribeiro
(Author)
Other
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Alexandra S. Maia
(Author)
Other
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Virgínia M. F. Gonçalves
(Author)
Other
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Maria Elizabeth Tiritan
(Author)
FFUP
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Journal
Vol. 44
Pages: 142-185
ISSN: 1040-8347
Publisher: Taylor & Francis
Other information
Authenticus ID: P-008-WAV
Abstract (EN): Environmental samples include a wide variety of complex matrices, with low concentrations of analytes and presence of several interferences. Sample preparation is a critical step and the main source of uncertainties in the analysis of environmental samples, and it is usually laborious, high cost, time consuming, and polluting. In this context, there is increasing interest in developing faster, cost-effective, and environmentally friendly sample preparation techniques. Recently, new methods have been developed and optimized in order to miniaturize extraction steps, to reduce solvent consumption or become solventless, and to automate systems. This review attempts to present an overview of the fundamentals, procedure, and application of the most recently developed sample preparation techniques for the extraction, cleanup, and concentration of organic pollutants from environmental samples. These techniques include: solid phase microextraction, on-line solid phase extraction, microextraction by packed sorbent, dispersive liquid-liquid microextraction, and QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe).
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 44
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