ResourceGeneral Lab
Analysis of Pesticides in Fruit and Vegetable Products Using a Standard QuEChERS Method and a Modified Method Involving the Geno/Grinder
14 Nov 2014In this application note, the Geno/Grinder was employed to homogenize the fruit/vegetable samples and to mix the produce rapidly and thoroughly with the salts and solvent in an effort to improve the extraction step. The goal of the study was to determine whether the use of the Geno/Grinder during the extraction step would increase pesticide recovery over the traditional, manual QuEChERS method.
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Shakers, Stirrers and MixersShakers, stirrers and mixers are used for mixing liquids and solids for laboratory applications. There is a wide range of laboratory mixing equipment available, including magnetic stirrers, orbital shakers, linear shakers, microplate shakers, 3D gyratory rockers, rotators & vortexers. Additional platforms and clamps can also be attached to shakers to increase capacity. Find the best shakers, stirrers and mixers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.QuEChERSThe QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) method is a streamlined approach that is used to extract multi-residue target compounds from food samples. It is most commonly used by analytical chemists studying pesticide residues in food.PesticidesPesticides are used to protect crops from diseases, pests and unwanted plants. They are classed as persistent organic pollutants (POPs) and can be harmful to humans. The Environmental Protection Agency (EPA) currently regulates the use of pesticides in the USA. GrindingSample ProcessingSample processing is required to prepare samples prior to analysis. Technologies used for sample processing include homogenizers, grinders, mills and mixers.