Extraction of Permethrin Pesticides from Spinach Using QuEChERS Methodology with Automated Shaking

QuEChERS was introduced in 2003 for simplified sample preparation in the analysis of pesticides in fruits and vegetables. In this article, permethrin was extracted from spinach using the Supel™ QuE 50 mL centrifuge tubes and following the QuEChERS procedure. Analysis was performed on capillary GC column SLB®-5ms with MS detection.