Authors: Hashem, EY

Citation: Ey. Hashem, Complexation equilibria and spectrophotometric determination of iron(III) with resorcylic acid, J AOAC INT, 84(2), 2001, pp. 537-545

Authors: Hashem, EY Sedaira, H Idriss, KA Soliman, SA

Citation: Ey. Hashem et al., Spectrophotometric study of the complexation equilibria of zinc(II) with lawsone, juglone and naphthazarin, I J CHEM A, 39(8), 2000, pp. 889-895

Authors: Hashem, EY Abu-Bakr, MS

Citation: Ey. Hashem et Ms. Abu-bakr, Complex formation equilibria of iron(III) with 2-hydroxy-3-pyridinol and 2-mercapto-3-pyridinol. Spectrophotometric determination of iron(III) in multivitamins, ANAL LETTER, 33(4), 2000, pp. 691-707

Authors: Idriss, KA Hashem, EY Abdel-Aziz, MS Ahmed, HM

Citation: Ka. Idriss et al., Direct spectrophotometric determination of aluminium oxide in Portland cement and cement clinker. An insight into the solution equilibria and analytical aspects of the aluminium-quinizarin system, ANALYST, 125(1), 1999, pp. 221-225