%0 Conference Proceedings %T Spectrometric determination of silver ions after selective bulk liquid membrane transport using phenylaza-15-crown-5 as carrier %A Tarahomi, Somayeh %A Ronaghi, Gholam Hossein %A CHamsaz, Mahmod %J نوزدهمین سمینار شیمی تجزیه ایران %D 2013