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Prof.
Alaa
El-Sayed
Ahmed
Ahmed
Amin
::
Publications:
Research Fields
determination
spectrophotometry
pharmaceuticals
pure form
pharmaceutical formulations
spectrophotometric method
colorimetric determination
Number of publications is 187
Title
1-
Remarkable Enhancement of Antibacterial Activity of Gentamicin via Loading into Silver Nanoparticles
2-
Spectrophotometric determination of iron in environmental and food samples using solid phase extraction.
Abstract
3-
Determination of thallium at ultra-trace levels in water and biological samples using solid phase spectrophotometry.
Abstract
4-
Determination of thallium at ultra-trace levels in water and biological samples using solid phase spectrophotometry.
5-
DETERMINATIONS OF RELEVANT IMPURITIES IN COPPER AND SULPHUR COMPOUNDS USED AS PESTICIDES
Abstract
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6-
Determination of caffeine in roasted and irradiated coffee beans with gamma rays by high performance liquid chromatograph
Abstract
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7-
NEW, SIMPLE AND VALIDATED SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF AMIKACIN IN BIOLOGICAL SAMPLES AND ITS PHARMACEUTICAL FORMULATIONS
Abstract
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8-
UTILITY OF OXIDATION-REDUCTION REACTION FOR THE SPECTROPHOTOMETRIC DETERMINATION OF ANTIVIRAL AND ANTI-PARKINSONIAN DRUG AMANTADINE HCl
Abstract
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9-
Solid-Phase Extraction Using Polymer-Based Cartridge Modified with 2-(2-benzothiazolylazo)-3-hydroxyphenol for Preconcentration of Uranium (VI) Ions from Water and Real Samples
Abstract
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10-
Chromium speciation in environmental samples using a solid phase spectrophotometric method.
Abstract
11-
Speciation of selenium in environmental samples by solid phase spectro-photometry using 2,3-dichloro-6-(2,7-dihydroxy-naphthylazo) quinoxaline.
Abstract
12-
Chromium speciation in environmental samples using a solid phase spectrophotometric method.
Abstract
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13-
Utilization of solid phase spectrophotometry for the determination of trace amounts of copper using 5-(2-benzothiazolylazo)-8-hydroxyquinoline
14-
Optimization and validation of spectrophotometric methods for determination of finasteride in dosage and biological forms.
Abstract
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15-
Cloud-Point Extraction and Spectrophotometric Determination of Trace Quantities of Bismuth in Environmental Water and Biological Samples
Abstract
16-
Spectrophotometric microdetermination of antiparkinsonian and antiviral drug amantadine HCl in pure and in dosage forms.
Abstract
17-
Utility of inorganic oxidants for the spectrophotometric determination of ganciclovir in dosage forms.
Abstract
18-
Spectrophotometric Determination of Cobalt with 5-(2-Benzothiazolylazo)-8-hydroxyquinolene
19-
Extractive-spectrophotometric methods for determination of anti-parkinsonian drug in pharmaceutical formulations and in biological samples using sulphonphthalein acid dyes.
Abstract
20-
Spectrophotometric and spectrofluorometric methods for the determination of non-steroidal anti-inflammatory drugs: A review
Abstract
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21-
Utility of Ion-Pair and Charge Transfer Complexation for Spectrophotometric Determination of Domperidone and Doxycycline in Bulk and Pharmaceutical Formulations.
Abstract
22-
Utilization of sulfophthaleins for the spectrophotometric determination of azithromycin in pure and in dosage forms
23-
Study on solid phase extraction and spectrophotometric determination of nickel using 5-(4`-chlorophenylazo)-6-hydroxypyrimidine-2,4-dione in environmental samples
Abstract
24-
Cloud point extraction and spectrophotometric determination of trace quantities of bismuth in environmental water and biological Samples
25-
Utility of cloud-point preconcentration and spectrophotometry for determination of trace amounts of palladium(II) and their analytical applications
Abstract
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26-
Utility of solid phase spectrophotometry to determine trace amounts of zinc in environmental and biological samples.
Abstract
27-
Solid phase extraction using polymer-based C18 cartridge modified with 2-(2-benzothiazolylazo)-3-hydroxyphenol (BTAHP) for preconcentration of uranium(VI) ions from water and real samples.
28-
Spectrophotometric microdetermination of anti-Parkinsonian and antiviral drug amantadine HCl in pure and in dosage forms.
29-
New SPE sorbent for the rapid and sensitive quantification of aluminium in food, soil extracts and water samples
Abstract
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30-
Utility of solid phase spectrophotometry for the modified determination of trace amounts of cadmium in food samples.
Abstract
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31-
Utility of Ion-Pair and Charge Transfer Complexation for Spectrophotometric Determination of Domperidone andDoxycycline in Bulk and Pharmaceutical Formulations
Abstract
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32-
Indirect spectrophotometric determination of piroxicam and tenoxicam through oxidation with potassium permanganate
Abstract
33-
Spectrophotometric quantification of fluoxetine hydrochloride: Application to quality control and quality assurance processes
Abstract
34-
Complexation and spectophotometric study of samarium(III) using pyrimidine azo derivatives in the presence of cetyltrimethyl ammonium bromide
Abstract
35-
Ion-pairing and reversed phase liquid chromatography for the determination of three different quinolones: enrofloxacin, lomefloxacin and ofloxacin
Abstract
36-
Rapid and sensitive simultaneous determination of hexamidine di-isetionate, chlorhexidine digluconate and chlorocresol in pharmaceutical formulations by high-performance liquid chromatography
Abstract
37-
- Copper(II)–Neocuproine Reagent for Spectrophotometric Determination of Captopril in Pure Form and Pharmaceutical Formulations,
Abstract
38-
Sensitive Spectrophotometric Methods for Determination of Some Organophosphorous Pesticides in Vegetable Samples,
Abstract
39-
Voltammetric Determination of Melatonin in Tablet Dosage Forms and Human Serum
Abstract
40-
Utility of non-Steroidal Anti-inflammatory for Palladium Determination
41-
Utility of solid phase extraction for spectrophotometric determination of gold in water, jewel and ore samples.
Abstract
42-
Spectrophotometric microdetermination of some antihypertensive drugs in pure form and in pharmaceutical formulations
Abstract
43-
Synthesis of Schiff Base Unsaturated Oligomeric Polyester for Determination of Trace Lead
Abstract
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44-
Utility of Extracted Colored Ion – Associate Complexes Formation Reaction for the Determination of Fexofenadine Hydrochloride in Pure Forms and in Dosage Forms
Abstract
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45-
Colorimetric determination of sildenafil citrate (Viagra) through ion-associate complex formation
Abstract
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46-
Study on solid phase extraction and spectrophotometric determination of vanadium with 2,3-dichloro-6-(2,7-dihydroxy-1-naphthylazo)quinoxaline
Abstract
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47-
Utility of oxidation-reduction reaction for the spectrophotometric determination of amlodipine besylate
Abstract
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48-
Colorimetric assay of cimetidine in the presence of its oxidative degradates
Abstract
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49-
Spectrophotometric methods for the determination of sertraline hydrochloride and clidinium bromide in bulk and in pharmaceutical preparations.
Abstract
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50-
Utilization of solid phase spectrophotometry for the determination of trace amounts of copper with 5- (2-benzothiazolylazo)-8-hydroxyquinolene.
Abstract
51-
Three spectrophotometric methods for the determination of oxomemazine hydrochloride in bulk and in pharmaceutical formulations using bromocresol green, congo red, and methyl orange
Abstract
52-
Liquid Chromatographic and Potentiometric Methods for Determinations of Clopidogrel
Abstract
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53-
- Utility of some pi-acceptors for spectrophotometric determination of gatifloxacin in pure form and in pharmaceutical preparations
Abstract
54-
Colorimetric determination of paracetamol in pure form and in pharmaceutical formulations.
Abstract
55-
- Spectrophotometric determination of some fluoroquinolone derivatives in dosage forms and biological fluids using ion-pair complex formation
Abstract
56-
Comparison of ion-pairing and reversed phase liquid chromatography in determination of sulfamethoxazole and trimethoprim
Abstract
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57-
Spectrophotometric determination of enrofloxacin, lomefloxacin and ofloxacin in pure and pharmaceutical products through ion-pair complex formation
58-
Utility of solid phase spectrophotometry for determination of dissolved iron(II) and iron(III) using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo) quinoxaline
Abstract
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59-
Spectrophotometric determination of some fluoroquinolones antibacterial drugs in pure form and in pharmaceuticals formulations
60-
Spectrophotometric determination of some anti-tussive drugs and its applications to pharmaceutical formulations
61-
Spectrophotometric microdetermination of phenylephrine hydrochloride in pure and in pharmaceutical formulations using haematoxylin.
Abstract
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62-
Spectrophotometric Determination of pipazethate hydrochloride in pure form and in pharmaceutical formulations.
Abstract
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63-
The surfactant sensitized analytical reaction of cerium(IV) with some triphenyl formazan derivatives
Abstract
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64-
Spectrophotometric determination of gatifloxacin in pure form and in pharmaceutical formulation.
Abstract
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65-
Utilization of ion exchanger and spectrophotometry for assaying amoxicillin and flucloxacillin in dosage form
Abstract
66-
Spectrophotometric determination of pipazethate HCl, dextromethorphan HBr and drotaverine HCl in their pharmaceutical preparations
Abstract
67-
High sensitive and selective spectrophotometric determination of aluminium after collection on a membrane filter using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline and zephiramine.
Abstract
68-
Colorimetric microdetermination of captopril in pure form and in pharmaceutical formulations.
Abstract
69-
Spectrophotometric determination of tramadol hydrochloride, ambroxol hydrochloride and clidinium bromide in pharmaceutical formulations.
70-
Spectrophotometric determination of aminoglycoside antibiotics based on their oxidation by potassium permanganate.
Abstract
71-
Indirect spectrophotometric determination of gentamicin and vancomycin antibiotics based on their oxidation by potassium permanganate
Abstract
72-
Spectrophotometric determination of dextromethorphan hydrobromide and ketamine hydrochloride in pure and dosage forms.
Abstract
73-
Spectrophotometric determination of benzylamine and chlorphenoxamine hydrochlorides in bulk and pharmaceutical preparations using sulfophthalein dyes.
Abstract
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74-
Colorimetric determination of certain cephalosporins in pure form and in pharmaceutical formulations
75-
Atomic absorption spectroscopic, conductometric and colorimetric methods for determination of fluoroquinolone antibiotics using ammonium reineckate ion pair complex formation
Abstract
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76-
Spectrophotometric microdetermination of nefopam, mebevrine and phenyl-propanolamine hydrochloride in pharmaceutical formulations using alizarins
Abstract
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77-
- Synthesis and ion exchange characteristics of poly (acrylamide-acrylic acid)- Silicon titanate and its use for the treatment of industrial wastes.
78-
Adaptation of a colour reaction for spectrophotometric determination of diclofenac sodium and piroxicam in pure form and in pharmaceutical formulations
Abstract
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79-
Spectrophotometric determination of certain cephalosporins in pure form and in pharmaceutical formulations
Abstract
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80-
Conductometric and indirect atomic absorption spectrometric determination of antimalarials.
Abstract
81-
Utility of oxidation-reduction reaction for the determination of ranitidine hydrochloride in pure form, in dosage forms and in the presence of oxidative degradates.
Abstract
82-
Solid-phase spectrophotometric determination of trace amounts of vanadium using 2,3-dichloro-6-(3-carboxy-2-hydroxynaphthylazo)quinoxaline.
Abstract
83-
Utility of formazans and cetylpyridinium chloride in rapid spectrophotometric determination of zinc in biological materials and pharmaceutival formulations.
Abstract
84-
Conductometric determination of aminoglycoside antibiotics in pure and in pharmaceutical formulations.
Abstract
85-
Spectrophotometric studies and applications for the determination of yttrium in pure and in nickel base alloys
Abstract
86-
Spectrophotometric methods for the determination of anti-emetic drugs in bluk and in pharmaceutical preparations.
Abstract
87-
Simple spectrophotometric method for the quantitative determination of Uranium
Abstract
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88-
- Synthesis and structural studies of some azobenzene-N-malonic acid derivatives.
Abstract
89-
Colorimetric determination of benzocaine, lignocaine and procaine HCl in pure form and in pharmaceutical formulation using p-benzoquinone
Abstract
90-
Physicochemical studies on the solid complexes of some heavy lanthanide and actinide cations with a prepared hydroxamic acid derivatives
91-
Microdetermination of zinc(II) in alloys and ores by visible spectrophotometric technique using 2,3-dichloro-6-(2-hydroxynaphthylazo) quinoxaline in presence of mixed surfactants
Abstract
92-
Charge transfer complexes of some oxazolones with iodine.
Abstract
93-
- Charge transfer complexes of some anilides with nitrobenzene derivatives as p- electron acceptors.
Abstract
94-
Determination of tin(IV) in alloys and in canned food by visible spectrophotometric technique using pyrimidine azo compounds in presence of mixed surfactants.
Abstract
95-
Simple selective spectrophotometric determination of ruthenium after solid phase extraction with some quinoxaline dyes into microcrystalline-p- dichlorobenzene.
Abstract
96-
Facile colorimetric methods for the quantitative determination of tetramisole hydrochloride.
Abstract
97-
A turbidimetric determination of paracetamol in pharmaceutical formulations.
Abstract
98-
Spectrophotometric determination of piroxicam and tenoxicam in pharmaceutical formulations using alizarin.
Abstract
99-
- Utility of alizarine derivatives for the spectrophotometric determination of certain cephalosporines in pure and in dosage forms.
100-
Colorimetric determination of b-blockers in pharmaceutical formulations.
Abstract
101-
Spectrophotometric determination of famotidine through oxidation with N-bromosuccinimide and cerric sulphate.
Abstract
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102-
Spectrophotometric method for the determination of titanium in soil, Geo-chemical, silicates rock and paint samples.
Abstract
103-
Ion-association method for the colorimetric determination of neomycin sulphate in pure and in dosage forms.
Abstract
104-
- Complexation equilibria between antibacterial drugs and tungestate, molybdate and vanadate applied to their determination in pure and dosage forms.
Abstract
105-
Colorimetric procedure for the microdetermination of the antibilharzial drug praziquantel and its applications to pharmaceutical formulations.
Abstract
106-
- Utility of certain p-acceptor for the spectrophotometric determination of sildenafil citrate (Viagra).
Abstract
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107-
Spectrophotometric estimation of cefuroxime and ceftazidime in bulk and in dosage forms.
108-
Synthesis of some thiazolylazo compounds and their applications to the spectrophotometric determination of nickel.
109-
- Extractive spectrophotometric determination of nortriptyline hydrochloride using sudan II, IV and black B.
Abstract
110-
Spectrophotometric determination of cadmium using thiazolylazo chromogenic reagents in the presence of Triton X-100: Application in environmental samples.
Abstract
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111-
Pyrocatechol violet in pharmaceutical analysis. Part I. A spectrophotometric method for the determination of some b-lactam antibiotics in pure and in pharmaceutical dosage forms.
Abstract
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112-
Utilization of solid phase spectrophotometry for determination of trace amounts of beryllium in natural water.
Abstract
113-
Colorimetric determination of tocopheryl acetate (vitamin E) in pure form and in multi-vitamin capsules.
Abstract
114-
Colorimetric microdetermination of mercury(II) with some quinoxaline azo compounds in presence of an anionic surfactant.
Abstract
115-
Simultaneous spectrophotometric determination of thorium and rare earth metals with pyrimidine azo dyes and cetylpyridinium chloride.
Abstract
116-
Selective spectrophotometric determination of cobalt(II) in synthetic mixtures and pharmaceutical formulates with 5-[o-carboxyphenyl-azo]2,4-dihydroxybenzoic acid.
Abstract
117-
Extraction-colorimetric method for the determination of erythromycin and its esters in dosage forms using chromotropic acid azo dyes
Abstract
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118-
Determination of nickel in biological samples spectrophotometrically involving complexation reaction with some thiazolylazo compounds.
Abstract
119-
New colorimetric methods for the determination of indapamide and its formulations.
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120-
Utilization of hydrazine hydrochloride in the potentiometric determination of osmium(VIII): Analysis of binary and ternary mixtures.
Abstract
121-
Pyrocatechol violet in pharmaceutical analysis. Part II. A spectrophotometric method for the determination of paracetamol in pure and in pharmaceutical dosage forms.
122-
Vanadophosphoric acid as a modified reagent for the spectrophotometric determination of certain cephalosporins and their dosage forms.
Abstract
123-
Spectrophotometric method for the determination of trace amounts of mercury: Application to environmental and biological samples
Abstract
124-
- Colorimetric determination of microamounts of scandium with 2,3 dichloro -6-(3-carboxy -2-hydroxy -1-naphthylazo)quinoxaline and cetyltrimethyl-ammonium bromide.
Abstract
125-
Utilization of colorimetric and atomic absorption spectrometric determination of aztreonam through ion pair complex formation.
Abstract
126-
- Colorimetric estimation of melatonin in pharmaceutical formulations
Abstract
127-
Quantitation of some recently introduced antibacterial drugs using sudan III as chromogenic reagent.
Abstract
128-
Spectrophotometric microdetermination of some pharmaceutically important aminoquinoline antimalarials, as ion-pair complexes.
Abstract
129-
Sensitive spectrophotometric determination of microamounts of paracetamol using an indirect redox technique.
Abstract
130-
The surfactant –sensitized analytical reaction of niobium with some thiazolylazo compounds.
Abstract
131-
- Colorimetric determination of microamounts of scandium with 2,3 dichloro -6-(3-carboxy -2-hydroxy -1-naphthylazo)quinoxaline and cetyltrimethyl-ammonium bromide.
132-
Selective and rapid spectrophotometric determination of mangenese using o-hydroxy acetophenon isobutyroyl hydrazone and its application in synthetic mixture of steel alloy.
133-
Spectrophotometric analysis for microdetermination of egyptian gold alloys constituents using some azo compounds.
134-
Utility of azures A and B for the colorimetric determination atenolol and captoprile.
Abstract
135-
Extractive spectrophotometric determination of some skeletal muscle relaxant drugs through ion-pair formation with molybdenum(V) and thiocyanate.
Abstract
136-
New colorimetric method for microdetermination of melatonin in pure and in dosage forms.
Abstract
137-
Determination of molybdenum in human urine by spectrophotometric method using thiazolylazo compounds as chromogenic reagents
Abstract
138-
Utility of the ion-pair formation for the spectrophotometic determination of terfenadine in pure form and in pharmaceutical formulations
Abstract
139-
Spectrophotometric determination of ephedrine hydrochloride and chlorphenramine maleate using carmosine.
140-
Microdetermination of La(III), Y(III), Sc(III), Th(IV) and UO2(II) ions by complexation with some arsenazo compounds. Egypt J. Anal. Chem., 7, 37-44 .
Abstract
141-
Utilization of some acidic dyes for the determination of tizanidine hydrochloride, pancuronium bromide and orphenadrine citrate
Abstract
142-
Spectrophotometric studies of 4-(2-hydroxy-4- substituted azobenzene)-2-methyl quinoline as recent reagents for determination of silver.
Abstract
143-
Extraction-spectrophotometric method for the determination of betamethazone in pure and in pharmaceutical formulations.
Abstract
144-
Utility of tetrazolium blue for the colorimetric assay of tannins in tea.
Abstract
145-
Characterization of a novel tellurite selective electrode.
Abstract
146-
A rapid, selective spectrophotometric method for the determination of Ce(III) using some bisazophenyl-b-diketone derivatives.
Abstract
147-
Colorimetric determination of ampicilline and 6-aminopenicillenic acid using acenaphthenequinone as a chromophoric reagent.
Abstract
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148-
Quantitative determination of some pharmaceutical veterinary formulations using bromocresol purple and bromocresol green.
Abstract
149-
Polarographic and spectrophotometric determination of La(III), Sm(III), Eu(III), and Gd(III) complexes with some derivatives of aryl Schiff base., Electrochem., 12, 544-548 .
Abstract
150-
Spectrophotometric determination of platinum using some azo dyes as chromogenic reagents.
Abstract
151-
Acetylaceton-formaldehyde reagent for the spectrophotometric determination of some sulfa drugs in pure and dosage forms.
Abstract
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152-
Spectrophotometric Assay of cephalosporins in pharmaceutical products using chromotrope 2B and chromotrope 2 R.
Abstract
153-
Selective spectrophotometric method for the determination of erythromycin and its esters in pharmaceutical formulations using gentiana violet.
Abstract
154-
Colorimetric microdetrmination of some corticosteroids drugs using indophenol as chromophoric reagent.
Abstract
155-
Modified spectrophotometric method for the determination of some important antibiotics through charge-transfer complexatioin reaction with chloranil.
Abstract
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156-
Analytical application of atomic absorption spectrometry for the determination of chlorphenramine maleate and chlorphenoxamine HCl in pure form and in pharmaceutical preparations.
Abstract
157-
Xylenol orange as a new reagent for the colorimetric determination of selenium and tellurium.
Abstract
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158-
Preparatioin and characterization of codaine-responsive electrode.
Abstract
159-
Application of alizarine derivatives as chromogenic reagents for the spectrophotometric determination of some sulfa drugs.
Abstract
160-
Spectrophotometric determination of 6-aminopenicillanic acid using bromophenol blue and bromothymol blue.
Abstract
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161-
Spectrophotometric determination of scandium (III) using aurintricarboxylic acid as indicator.
Abstract
162-
New polycrystalline solid state responsive electrodes for the determination of the selenite ion.
Abstract
163-
Hydrometallurgical treetment of Egyption Zinc-Lead oxide Ore. 49, 1-12 .
164-
Utility of certain p-acceptors for the spectrophotometric determination of norfloxacin.
Abstract
165-
Conductometric titration of pindolol and propranolol using ammonium reineckate and potassium tetracyanonickelate.
Abstract
166-
Selective and quantitative determination of cobalt using some arsenazo compounds.
Abstract
167-
Spectrophotometric determination of cobalt and nickel using 3-methyl-6-hydroxy-2`-nitroazaobenzene.
Abstract
168-
Colorimetric method for the simultaneous determination of chlorphenoxamine hydrochloride and anhydrous caffeine in pure and dosage forms with rose bengal.
Abstract
169-
Utilization of ammonium reineckate, potassium tetracyanonickelate and sodium cobaltinitrite in the conductometric determination of benzocaine, procaine and lignocaine. Chin. Pharm. J., 47, 147-156 .
170-
Synthesis and Efficiency of 5-(2-hydroxyphenylazo)-indazoles as new reagents for the determination of vanadium.
Abstract
171-
Spectrophotometric and conductometric determination of clindamycin hydrochloride in pure form and in pharmaceutical preparations.
Abstract
172-
Charge-transfer complexes of oxazolones with nitrobenzene p- acceptors.
Abstract
173-
Spectrophotometric microdetermination of ampicillin and cloxacillin in pure form, Mixtures and pharmaceutical preparations using bromothymol blue.
Abstract
174-
Simultaneous dissolution of Egyptian ores under the application of potential. Inter. J. Chem., 78, 123-134.
175-
Spectrophotometric determination of zinc in pharmaceutical samples with some salicylic azo compounds.
Abstract
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176-
Spectrophotometric determination of zinc (II) using oxazolone derivatives and its application to alloy. AMSE, 42, 59-64 .
177-
Spectrophotometric studies on V(V), Mn (II), Fe (III), Ni (II), Cu (II) and Zn (II) chelates with some arsenilic acid azo dyes. Third confedence on chemistry and its role in Development, Proc. CCRD’94, Fac. Sci., Man. Univ., .
178-
Colorimetric determination of amoxycillin in pure form and in pharmaceutical preparations.
Abstract
179-
Spectrophotometric microdetermination of sulfamethoxazole and trimethoprim using alizarin and quinalizarin.
Abstract
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180-
Spectrophotometric microdetermination of ampicillin and amoxycillin with picramic acids. Microchem. J., 50, 6-13 .
181-
The reaction of Sc3+, Y3+ and La3+ with thiazol yellow G and the spectrophotometric determination of Y3+ ions in nickel-base alloys in the presence of cerium sub-group rare earths.A.S. AMSE, 45, 59-63 .
182-
DC-Polarographic determination of ampicillin in pharmaceutical dosage forms.
Abstract
183-
2,3-Dichloro-6-(3-carboxy-2-hydroxynaphthylazo)quinoxaline as an analytical reagent for spectrophotometric determination of microamount of gold.
Abstract
184-
Metal chelates of some arsenazo compounds with scandium (III), Yttrium (III), Lanthanum (III), Thorium (IV) and Uranyl (II) ions. Egypt. J. Anal. Chem., 2, 41-52 .
Abstract
185-
Determination of amoxycillin and flucloxacillin in mixtures and pharmaceutical preparations using 3, 5-dinitrobenzoic acid. Quim. Anal., 89, 726-729 .
Abstract
186-
Spectrophotometric determination of ampicillin with some nitro compounds.
Abstract
187-
Spectrophotometric microdetermination of Copper (II), Silver (I) and Gold (III) using azastyrene Schiff bases. Microchem. J, 44, 311-317 .
Abstract