%0 Journal Article %T Spectrometric determination of Pb2+ cation after selective bulk liquid membrane transport using benzo-18-crown-6 as carrier %A Fahmideh Rad, Elham %A Ronaghi, Gholam Hossein %A Arbab Zavar, Mohammad Hossein %A CHamsaz, Mahmod %J Der Pharma Chemica %@ 0975-413x %D 2010