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Abstract: Solid-phase extraction (SPE) is the most widely used method for the extraction, changing of solvents, cleanup, concentration, and fractionation of organic compounds from a number of samples. This procedure is also very useful for desalting proteins and sugar samples. However, most SPE procedures are still poorly developed, with little consideration to the physics involved in the process and are described as largely empirical, labor-intensive, and time-consuming trial-and-error processes, without much systematization. The objective of this study is to propose a number of contradictions, disagreements, failings, and shortcomings of the SPE procedures found elsewhere. The different arguments introduced in this study attempt to challenge the suitability of this procedure, particularly when it is conducted in the traditional manner (under gravity and at a high flow rate). The first part of this study focuses on describing the state-of-the-art in SPE and its physical fundamentals
Template and target information: Review - solid phase extraction of organic compounds
Author keywords: Solid-Phase Extraction (SPE), extraction, environmental samples, analytical chemistry, purification, Clean-up procedures, Fractioning, Critical review