期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 71, 期 -, 页码 55-64出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2015.04.014
关键词
Assisted solvent extraction; Environment; Food; In-cell clean-up; Microwave-assisted extraction; Pressurized fluid extraction; Pressurized hot-water extraction; Pressurized liquid extraction; Soxhlet extraction; Supercritical fluid extraction
资金
- Spanish Ministry of Economy and Competitiveness [CSD2009-00065, GCL2011-29703-C02-02]
Pressurized liquid extraction (PLE) is an automated technique that uses elevated temperature and pressure to achieve exhaustive extraction from solid matrices, so reducing solvent consumption and enhancing sample throughput when compared with traditional procedures. Hence, it can be considered an environment-friendly technique, generating small volumes of waste and reducing costs and time. This review focuses on application of this green technique to the analysis of organic contaminants in food and environmental matrices for monitoring purposes. We examine fundamentals and key aspects of the development of a PLE method, including pressurized hot-water extraction, together with some relevant applications in food and the environment. We pay special attention to methods, including clean-up in one step in the extraction cell or on-line clean-up coupled to the extraction cell. We also compare PLE with other techniques (e.g., Soxhlet, microwave-assisted extraction, and supercritical fluid extraction). (C) 2015 Elsevier B.V. All rights reserved.
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