%0 Conference Proceedings %T Vortex-assisted microextraction coupled to UV–Vis Spectrophotometry as a simple and sensitive approach for detection of iron %A Ghadirzade, Fateme %A Ashraf, Narjes %A Arbab Zavar, Mohammad Hossein %J بیست و یکمین کنفرانس شیمی تجزیه ایران %D 2015