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Elham Hashem
Elham Hashem
Professor, Department of Chemistry , Faculty of Science, Assiut University
Verified email at science.aun.edu.eg - Homepage
Title
Cited by
Cited by
Year
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
322016
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
312011
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
262017
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
212011
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
211996
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
192009
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, 2013
152013
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
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
142014
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
141994
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
132022
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
102021
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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