فهرست مقالات Ultrasound assisted emulsification microextraction دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Ultrasound Assisted Emulsification Microextraction as a Simple Preconcentration Method for Determination of Atrazine in Environmental Samples Sana Berijani Mohsen Zeeb Elham Pournamdari