Determination of Estrogens in Environmental Aqueous Samples Using Dispersive Liquid–Liquid Microextraction and HPLC/UV–Vis System

The objective of this study was to optimize dispersive liquid–liquid microextraction (DLLME) parameters for simultaneous sample preparation of five steroidal estrogens from environmental aqueous samples: estrone (E1), 17α‐estradiol (αE2), 17β‐estradiol (E2), 17 α‐ethinylestradiol (EE2), and estri…