Original Article
Solid phase extraction and pre concentration of lead and other heavy metals by alumina phases-functionalized-dithizone as chelating inorganic ion exchangers
Author(s): Mohamed E.Mahmoud, Maher M.Osman, Osama F.Hafez, Abdelrahman H.Hegazi, Esam Elmelegy
Original Article, tsm. 2008 Vol: 4( 1)