The extraction equilibria of the ion associate of periodate with 1-(3,5-diamino-6-chloropyrazinecarboxyl) guanidineALDHAHERI, S. M.Talanta (Oxford). 1998, Vol 46, Num 6, pp 1613-1618, issn 0039-9140Article

Preconcentration and separation of acaricides by polyether based polyurethane foamEL-SHAHAWI, M. S; ALDHAHERI, S. M.Analytica chimica acta. 1996, Vol 320, Num 2-3, pp 277-287, issn 0003-2670Article

Spectrophotometric determination of bismuth(III and V) in water after ion-pair liquid-liquid extraction using tetramethylammonium cation as counter ionEL-SHAHAWI, M. S; ALDHAHERI, S. M.Fresenius' journal of analytical chemistry. 1996, Vol 354, Num 2, pp 200-203, issn 0937-0633Article

Sensitive detection and semiquantitative determination of mercury(II) and lead(II) in aqueous media using polyurethane foam immobilized 1,5-di-(2-fluorophenyl)-3-mercaptoformazanKIWAN, A. M; EL-SHAHAWI, M. S; ALDHAHERI, S. M et al.Talanta (Oxford). 1997, Vol 45, Num 1, pp 203-211, issn 0039-9140Article