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Elham Hashem
Elham Hashem
Professor, Department of Chemistry , Faculty of Science, Assiut University
在 science.aun.edu.eg 的电子邮件经过验证 - 首页
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引用次数
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年份
Spectrophotometric studies on the simultaneous determination of cadmium and mercury with 4-(2-pyridylazo)-resorcinol
EY Hashem
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 58 (7 …, 2002
702002
Complexation equilibria and spectrophotometric determination of iron (III) with 1-amino-4-hydroxyanthraquinone
MS Abu-Bakr, H Sedaira, EY Hashem
Talanta 41 (10), 1669-1674, 1994
341994
Solution equilibria and stability of the complexes of pyridinecarboxylic acids: complexation reaction of mercury (II) with 2-hydroxynicotinic acid
KA Idriss, MS Saleh, H Sedaira, MM Seleim, EY Hashem
Monatshefte für Chemie/Chemical Monthly 122 (6), 507-520, 1991
341991
Oxidation and complexation-based spectrophotometric methods for sensitive determination of tartrazine E102 in some commercial food samples
MMS Saleh, EY Hashem, NOA Al-Salahi
Computational Chemistry 4 (02), 51, 2016
332016
Environmental method for spectrophotometric determination of copper (II)
EY Hashem, MM Seleim, AM El-Zohry
Green chemistry letters and reviews 4 (3), 241-248, 2011
292011
Interaction of nickel with 4-(2′-benzothiazolylazo) salicylic acid (BTAS) and simultaneous first-derivative spectrophotometric determination of nickel (II) and iron (III)
EY Hashem, MS Abu-Bakr, SM Hussain
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 59 (4 …, 2003
292003
Acid dissociation and solution equilibria of some pyridinecarboxylic acids
MS Saleh, KA Idriss, MS Abu-Bakr, EY Hashem
Analyst 117 (6), 1003-1007, 1992
281992
Advanced spectrophotometric analysis of sunset yellow dye E110 in commercial food samples
EY Hashem, MS Saleh, NOA Al-Salahi, AK Youssef
Food Analytical Methods 10, 865-875, 2017
272017
Spectrophotometric determination of copper (II) in pharmaceutical, biological and water samples by 4-(2′-benzothiazolylazo)-salicylic acid
EY Hashem, MM Seleim, AM El-Zohry
Journal of Applied Spectroscopy 78, 586-593, 2011
232011
The visible absorbance maximum of 2-hydroxy-1, 4-naphthoquinone as a novel probe for the hydrogen bond donor abilities of solvents and solvent mixtures
KA Idriss, H Sedaira, EY Hashem, MS Saleh, SA Soliman
Monatshefte fur Chemie 127, 29-42, 1996
201996
Simultaneous determination of aluminum (III) and iron (III) by first-derivative spectrophotometry in alloys
MM Seleim, MS Abu-Bakr, EY Hashem, AM El-Zohry
Journal of Applied Spectroscopy 76, 554-563, 2009
182009
Spectrophotometric methods for determination of dopamine hydrochloride in bulk and in injectable forms
NOA Al-Salahi, EY Hashem, DA Abdel-Kader
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 278, 121278, 2022
172022
Spectrophotometric determination of norepinephrine with sodium iodate and determination of its acidity constants
EY Hashem, AK Youssef
Journal of Applied Spectroscopy 80, 258-264, 2013
162013
Environmental method to determine dopamine and ascorbic acid simultaneously via derivative spectrophotometry
AM El-Zohry, EY Hashem
Journal of Spectroscopy 2013 (1), 260376, 2013
162013
A novel Spectrophotometric method for determination of gabapentin in pharmaceutical formulations using 2, 5-dihydroxybenzaldehyde
MS Saleh, AK Youssef, EY Hashem, DA Abdel-Kader
Computational Chemistry 2 (02), 22, 2014
152014
Direct spectrophotometric determination of aluminium oxide in Portland cement and cement clinker. An insight into the solution equilibria and analytical aspects of the …
KA Idriss, EY Hashem, MS Abdel-Aziz, HM Ahmed
Analyst 125 (1), 221-225, 2000
152000
Spectrophotometric determination of Metronidazole antibacterial drug via oxidation with alkaline potassium permanganate
DA Abdel-Kader, EY Hashem
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 259, 119858, 2021
142021
Studies on the mixed-ligand complexes of copper (II) with gallic acid and pyridine carboxylic acids and their benzologues
MS Abu-Bakr, HM Rageh, EY Hashem, MH Moustafa
Monatshefte für Chemie/Chemical Monthly 125 (11), 1197-1205, 1994
131994
SPECTROPHOTOMETRIC STUDY OF THE COMPLEXATION EQUILIBRIA BETWEEN COPPER (II) AND 2-HYDROXYNICOTINIC, 2-MERCAPTONICOTINIC AND HYDROXYPICOLINIC ACIDS
KA Idriss, MS Saleh, HA Azab, EY Hashem
BULLETIN OF THE POLISH ACADEMY OF SCIENCES-CHEMISTRY 43 (1), 67-78, 1995
101995
Solution equilibria of pyridinecarboxylic acids: complexation reaction of 2-mercaptonicotinic acid-copper (II) complex with thiosalicylic acid
KA Idriss, MS Saleh, MM Seleim, EY Hashem
Journal of solution chemistry 22, 469-481, 1993
101993
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