New pyridinium bromide mono-cationic surfactant as corrosion inhibitor for carbon steel during chemical cleaning: Experimental and theoretical studies K Shalabi, AM Helmy, AH El-Askalany, MM Shahba Journal of Molecular Liquids 293, 111480, 2019 | 86 | 2019 |
Polarographic behaviour of dimedone-2-arylazo derivatives in alcoholic aqueous media HM Fahmy, AMA Helmy, MA Azzem Journal of electroanalytical chemistry and interfacial electrochemistry 201 …, 1986 | 12 | 1986 |
Polarographic and spectrophotometric behaviour of substituted 1, 3-indandione: part I. 2-phenylazo-1, 3-indandione MA Morsi, AMA Helmy, HM Fahmy Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 148 …, 1983 | 12 | 1983 |
Sensitive detection and semiquantitative determination of molybdenum (VI) using unloaded and specially treated polyurethane foams AB Farag, A Helmy, MS Elshahawi, S Farrag Analusis (Chimie Analytique-Methodes Physiques d'Analyse);(France) 17 (8), 1989 | 9 | 1989 |
Electrochemical behaviour of some pyrimidine derivatives: polarographic reduction of 1, 3-dimethyl-2, 4, 6 (1H, 3H, 5H) pyrimidinetrione and its substituted 5-phenylazo derivative AMA Helmy, MA Migahed, MA Morsi Journal of Electroanalytical Chemistry 388 (1-2), 109-114, 1995 | 3 | 1995 |
Polarographic and spectrophotometric behaviour of substituted 1, 3-indandione: Part II. 2-[N-(phenyl) acetomidoyl]-1, 3-indandione, 1, 3-indandione-mono-anil and 1, 3 … MA Morsi, AMA Helmy, HM Fahmy Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 148 …, 1983 | 3 | 1983 |
Square wave voltammetric investigations on 2, 2-Dimethyl-1, 3-dioxan-5-phenylazo-4, 6-dione AMA Helmy, A Fekri, MM Shahba Egyptian Journal of Basic and Applied Sciences 3 (1), 16-25, 2016 | 2 | 2016 |
MS 15LSHAHAWI, S. FARRAG AB Farag, AMA Helmy Analysis 17, 478, 1989 | 2 | 1989 |
Electrochemical reduction of 3-phenyl azo-2, 4 (3H, 5H)-furandione at the DME AMA Helmy Journal of Electroanalytical Chemistry 420 (1-2), 259-266, 1997 | 1 | 1997 |
Electrochemical behaviour of meldrum acid and its 5-phenylhydrazones in ethanolic aqueous media AMA Helmy, MA Morsi, HM Fahmy INDIAN JOURNAL OF HETEROCYCLIC CHEMISTRY 6 (1), 31-36, 1996 | 1 | 1996 |
Polarographic Behavior of Pyrimidines AA Helmy, RM Khalil ChemInform 34 (37), no-no, 2003 | | 2003 |
Polarographic behavior of 5-phenylazopyrimidinetrione and its substituted derivatives AMA HELMY, RM KHALIL, MA MORSI Chemical and pharmaceutical bulletin 44 (10), 1779-1784, 1996 | | 1996 |
Spectrophotometric and polarographic behaviour of 5-phenyl azo-2, 4, 6-(1H, 3H, 5H) pyrimidinetrione in aqueous ethanolic media AMA HELMY Annali di chimica 86 (7-8), 369-380, 1996 | | 1996 |
Controlled electrolysis in electro-organic chemistry EIA Alafaleg, AMA Helmy, HM Fahmy JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN 17 (4), 239-250, 1995 | | 1995 |
Azo-Hydrazo Tautomerism: Further Evidence Based On Polarographic Reduction And Acidity Function Of Some Heterocyclic Compounds Containing Oximino-Group Helmy, A El-Shafei, MA Migahed, MA Morsi Qatar University, 1994 | | 1994 |
jKj^ l££>«л1 «4j^ I*^ â) í>^ UI oL^ Jll üâ* J AMA HELMY, A EL-SHAPE, MA MlGAHED, MA MORSI Qatar Univ. Sci. J 14, 169-174, 1994 | | 1994 |
Synthesis and Spectroscopic, Cyclic Voltammetric Characterization of Some S-Substituted Pyridazin-3-Yl Thioglycollic Acid Hydrazones EIA Alafaleg, A Mazzah, HM Fahmy, AMA Helmy ORIENTAL JOURNAL OF CHEMISTRY 10, 96-96, 1994 | | 1994 |
Structure of the Products of Coupling of Substituted Ethylidene Malononitrile with Aryldiazonium Salts: Polarographic and Acid Dissociation Measurements A Helmy, MA Morsi, MH Elnagdi Collection of Czechoslovak chemical communications 59 (8), 1752-1760, 1994 | | 1994 |
Effect of electroactive group on reduction of the hydrazone linkage at DME AMA Helmy ORIENTAL JOURNAL OF CHEMISTRY 9, 188-188, 1993 | | 1993 |
The extraction and recovery of some organic insecticides from aqueous media with cellular polyurethanes [extraction isotherms; Somigold, dimillin, trifluron] AB Farag, MS El Shahawi, AMA Helmy, S Farrag Bulletin de la Societe Chimique de France (France) 128 (5), 1991 | | 1991 |