%0 Conference Proceedings %T A potentiometric membrane sensor based on kryptofix 22 for determination of uranyl ions in environmental samples %A Ronaghi, Gholam Hossein %A Hosseini Haghighi, Mehrdokht Sadat %A Arbab Zavar, Mohammad Hossein %J بیست و یکمین کنفرانس شیمی تجزیه ایران %D 2015