Stir bar sorptive extraction with EG-Silicone coating for bisphenols determination in personal care products by GC-MS

► Ethylene glycol-silicone coated stir bars are used for the preconcentration of bisphenols. ► No derivatization is required for the TD-GC-MS procedure. ► Sensitivity is not as high as could be expected but time and reagents are saved.