MAH Hafez
MAH Hafez
Prof. of Physical Chemistry, Faculty of Science, Mansoura University, Egypt.
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Determination by AAS of some trace heavy metal ions in some natural and biological samples after their preconcentration using newly chemically modified chloromethylated …
IMM Kenawy, MAH Hafez, MA Akl, RR Lashein
Analytical sciences 16 (5), 493-500, 2000
Preconcentration and separation of total mercury in environmental samples using chemically modified chloromethylated polystyrene-PAN (ion-exchanger) and its determination by …
MAH Hafez, IMM Kenawy, MA Akl, RR Lashein
Talanta 53 (4), 749-760, 2001
Removal, preconcentration and determination of trace heavy metal ions in water samples by AAS via chemically modified silica gel N-(1-carboxy-6-hydroxy) benzylidenepropylamine …
ME Mahmoud, IMM Kenawy, MMAH Hafez, RR Lashein
Desalination 250 (1), 62-70, 2010
Adsorption of Cu (II), Cd (II), Hg (II), Pb (II) and Zn (II) from aqueous single metal solutions by guanyl-modified cellulose
IM Kenawy, MAH Hafez, MA Ismail, MA Hashem
International journal of biological macromolecules 107, 1538-1549, 2018
Spectrophotometric and complexometric methods for the determination of thorium and fluoride using bromocresol orange reagent
ME Khalifa, MAH Hafez
Talanta 47 (3), 547-559, 1998
Electrochemical synthesis of benzoylglycine and ethylphthaloyl-glycine complexes of transition metal ions
AA El-Asmy, MA Hafez, EM Saad, FI Taha
Transition Metal Chemistry 19 (6), 603-605, 1994
Chemical modification of chloromethylated polystyrene with pyridylazo‐β‐naphthol
MY Abdelaal, IMM Kenawy, MAH Hafez
Journal of applied polymer science 77 (14), 3044-3048, 2000
Selective preconcentration of uranyl ion by silica gel phases modified with chelating compounds as inorganic polymeric ion exchangers
ME Mahmoud, IMM Kenawy, EM Soliman, MA Hafez, MAA Akl, ...
Analytical Sciences 24 (3), 381-387, 2008
Drying of Acidic Macroporous Styrene− Divinylbenzene Resins with 12− 20 Cross-Linking Degree
M Iborra, J Tejero, F Cunill, JF Izquierdo, C Fité
Industrial & engineering chemistry research 39 (5), 1416-1422, 2000
Some aspects of the preparation, characterization and thermal decomposition of anisaldehyde Girard T complexes of some transition elements
MEM Emam, MAH Hafez, MNH Moussa
Journal of thermal analysis 37 (5), 1005-1013, 1991
Study of the chromogenic reactions of semi-xylenol orange with rare earths and thorium
MAH Hafez
Analytical letters 25 (9), 1779-1796, 1992
Determination of trace amounts of gallium, indium and thallium by successive titrations using semi-xylenol orange with spectrophotometric and/or visual end-point indication
MAEH Hafez, A Abdallah, TM Wahdan
The Analyst 116 (6), 663, 1991
Thermal decomposition of chloromethylated poly (styrene)-PAN resin and its complexes with some transition metal ions
I Kenawy, M Hafez, R Lashein
Journal of thermal analysis and calorimetry 65 (3), 723-736, 2001
Preconcentration and multielement determination in different water samples using cellulose-sodium sulphide and/or the thiourea system with atomic absorption spectrometry
IMM Kenawy, MAH Hafez
Analusis 7 (24), 275-280, 1996
Synthesis of novel CO32−/Cl−-bearing 3 (Mg+ Zn)/(Al+ Fe) layered double hydroxides for the removal of anionic hazards
KS Abou-El-Sherbini, IMM Kenawy, MAH Hafez, HR Lotfy, ...
Journal of Environmental Chemical Engineering 3 (4), 2707-2721, 2015
Study of the thermal decomposition of some new cyanine dispersed dyes
MEM Emam, IMM Kenawy, MAH Hafez
Journal of thermal analysis and calorimetry 63 (1), 75-83, 2001
Thermodynamics of complexation of some transition metal ions by salicylaldehyde carbohydrazone pyridinium chloride and diacetyl carbohydrazone pyridini
I Shehatta, MNH Moussa, MA Hafez
Thermochimica acta 219, 121-133, 1993
Antimicrobial activity of Bacillus circulans isolated from rhizosphere of Medicago sativa
EA Abada, HH El-Hendawy, ME Osman, MA Hafez
Life Science Journal 11 (8), 711-719, 2014
Application of wall stabilized plasma arc to optical atomic emission spectrometry of Lanthanoides, yttrium and scandium after separation with cellulose ion-exchanger
IM Kenawy, MAH Hafez
Analytical sciences 5 (1), 55-60, 1989
Photometric micro-determination of scandium and lanthanides by direct and successive titration using semi-xylenol orange
MAEH Hafez, MESM Emam
Analyst 111 (12), 1435-1437, 1986
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