Name Zahra Shamsi Affliation daneshjo Degree Ph.D / Analytical chemistry Academic Rank - WebSite — Email — Article Presentation Project Book Thesis Speech Innovation TitleConference 1 Determination of morphine and codeine in biological samples by high-performance liquid chromatography after simultaneous extraction/preconcentration with a magnetic nano-composite based on reduced graphene oxide and silver nano-particles بیست و پنجمین سمینار ملی شیمی تجزیه انجمن شیمی ایران - ایران، تبریز - 12 تا 14 شهریور 1397 2 Utilizing of magnetic graphene oxide as a nano-sorbent for extraction of melamine from dairy products prior to determination by HPLC بیست و چهارمین سمینار شیمی تجزیه انجمن شیمی ایران - ایران، تبریز - 08 تا 10 شهریور 1396