Pressurized liquid extraction of organic contaminants in environmental and food samples
2019
Andreu, Vicente | Picó, Yolanda
Pressurized liquid extraction (PLE) is a tool able to provide green extraction methods to further determine contaminants in food and the environment. The aim of this review is to offer a critical overview of the recent developments within this field and can be considered as an update of the previous that we published in 2015. Trends regarding sample treatment, solvents, in-cell clean-up approaches used in the extraction of organic contaminants are addressed. Special attention deserve those methods that include on-line clean up in the extraction cell. Comparison with other green techniques is also presented. The final objective of this review is to clearly define the role that this technique plays in the analysis of organic pollutants, their strengths and weaknesses, as well as the updated spectrum of applications for which PLE is an essential tool.
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