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The QuEChERS procedure entails a number of simple analytical steps and is thus fast and easy to perform and little susceptible to errors. QuEChERS provides high recoveries for a very broad scope of pesticides belonging to various chemical classes and the final extract, being solved in acetonitrile, gives full flexibility in the choice of the determinative analysis technique. Direct connection with liquid chromatography (LC) and gas chromatography (GC) is possible.
The QuEChERS method, followed by dispersive solid-phase extraction (d-SPE), is a simple and straightforward sample preparation technique ideal for multi-residue analysis for pesticides, veterinary drugs, and mycotoxins in a wide variety of food and agricultural products. Waters DisQuE Dispersive Sample Preparation products include conveniently-packaged centrifuge tubes and foil pouches containing pre-weighed sorbents and buffers in pouches and tubes for use with both the AOAC and CEN QuEChERS methods.
Compared to traditional sample preparation techniques, DisQuE solutions offer: