Browsing by Author "Yousef, A. M."
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Separation and preconcentration of malathion and azamethiphos by Unloaded polyurethane foams
Al Wakil, A. M. [احمد محمد الوكيل]; Farag, A. B.; Yousef, A. M.; Tollan, Kh. A. ( Qatar University , 1994 , Article)The feasibility of using unloaded polyether type polyurethahe foams for the extraction and separation of malathion and azamethiphos in batch and column operations has been examined. The effects of pH, ionic strength, shaking ...