QuEChERS: A Primer

Author(s): Julie Kowalski and Jack Cochran
Restek Corporation

Published By: Separation Science

Issue: vol. 4, issue 12

Year of Publication: 2012

Link: http://www.sepscience.com/Techniques/Sample-Prep/Articles/865-/QuEChERS-A-Primer

For the full print issue, visit http://www.sepscience.com/docs/Bespoke/Editions/SepSci/Sepsci1012eu.pdf?utm_source=iContact&utm_medium=email&utm_campaign=eLearning%20Newsletter%20-%20Europe%20Sep%20Sci&utm_content=

Abstract: Quick, Easy, Cheap, Effective, Rugged and Safe, the QuEChERS (pronounced “catchers”) method is based on work done and published in 2003 by Anastassiades et al. QuEChERS was developed as an extraction method for pesticides in fruits and vegetables, coupled with a cleanup method that removes sugars, lipids, organic acids, sterols, proteins, pigments, and excess water. QuEChERS involves two simple steps: first, a homogenized sample is extracted and partitioned using an acetonitrile and salt solution, then, the supernatant is cleaned using a dispersive solid-phase extraction (dSPE) technique. This QuEChERS approach offers a user-friendly alternative to traditional liquid-liquid and solid-phase extractions.