8-hydroxyquinoline (oxine)
A Highly Selective and Sensitive Spectrophotometric Method for the Determination of Lead at Ultra-trace Levels in Some Real, Environmental, Biological, Food and Soil Samples Using 5,7-Dibromo-8-Hydroxyquinoline
... A very simple, ultra-sensitive and highly selective non-extractive spectrophotometric method for the determination of trace amounts of lead using 5,7-dibromo-8-hydroxyquinoline (DBHQ) has been developed. ...
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Thermal degradation studies of high performance copolymer resin derived from 8 hydroxyquinoline 5 sulphonic acid, semicarbazide and formaldehyde
... The 8-HQ5-SASF copolymer based on the condensation polymerization of 8-hydroxyquinoline 5-sulphonic acid and semicarbazide with formaldehyde in the presence of acid catalyst has been ...the 8 ...
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Thermal Degradation Study of New Polymer derived from 8 Hydroxyquinoline 5 sulphonic acid and Catechol
... Polymer was synthesized from the polymerization of 8-hydroxyquinoline 5-sulphonic acid and catechol with formaldehyde (8-HQ- 5- SACF) by solution condensation in an acid medium. The polymer was ...
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Thermogravimetric studies of copolymers derived from 8 hydroxyquinoline 5 sulphonic acid, urea and formaldehyde
... the 8-HQ-5-SAUF copolymer resins give rise to a similar ...of 8-hydroxyquinoline 5-sulphonic acid moiety which readily attains coplanarity and shoulder merging (loss of fined structure) band at 260 ...
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Mixed Ligand Complexes of Transition Metal Chelates of 1-nitroso-2-naphthol and 8-hydroxyquinoline with Picolinic Acid and Quinaldinic acid
... or 8-hydroxyquinoline; HL' = picolinic acid or quinaldinic acid have been synthesised and characterised on the basis of Infrared, electronic absorption spectral data, magnetic and conductance ...
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Removal of cations using ion binding copolymer involving 8 hydroxyquinoline 5 sulphonic acid and semicarbazide with formaldehyde by batch equilibrium technique
... from 8-hydroxyquinoline 5-sulphonic acid, semicarbazide and ...resins 8-QSSF at different pH values, different concentrations of different electrolytes and at different shaking time ...the ...
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Synthesis and Characterization of High Performance Terpolymer Resin Derived from 8-Hydroxyquinoline and Adipamide
... A mixture of 8-Hydroxyquinoline(0.1mol), adipamide (0.1mol) and formaldehyde (7.5ml of 37% solution, 0.2mol) in the presence of 200ml 2M HCl as a catalyst was take n in 500ml round bottom flask with water ...
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Phase equilibria and thermodynamic description of solid dispersions of 8-hydroxyquinoline – 4-chlorobenzoic acid drug system
... 8-hydroxyquinoline (E. Merck, Bombay) was purified by fractional crystallization of ethanol and 4- chlorobenzoic acid (G.S. Chemical, New Delhi) was used directly as supplied. The purity of the compounds ...
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8-Hydroxyquinoline as an Effective Corrosion Inhibitor for 7075 Aluminium Alloy in 3.5% NaCl Solution
... Values of inhibition efficiency calculated from potentiodynamic polarization, and electrochemical impedance spectroscopy (EIS) are in good agreement. The adsorbed film on aluminium alloy surface containing inhibitor was ...
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Voltammetric Behaviour and Determination of 8-Hydroxyquinoline Using a Glassy Carbon Paste Electrode and the Theoretical Study of its Electrochemical Oxidation Mechanism
... The 8-Hydroxyquinoline (8HQ) oxidation process has been investigated by Cyclic Voltammetry using a Glassy Carbon Paste Electrode (GCPE) as a working ...
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Synthesis, Spectral Characterization and Kinetic study of 8 hydroxyquinoline 5 sulphonic acid melamine Formaldehyde terpolymer resin
... of 8-hydroxyquinoline 5-sulphonic acid (8- HQ5-SA) and melamine (M) with formaldehyde (F) in the presence of acid catalyst and using varied 3:1:5 molar proportions of the reacting ...
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APPLICATION OF AMBERLITE XAD-2 FUNCTIONALIZED WITH 8-HYDROXYQUINOLINE IN AN ONLINE SYSTEM FOR DETERMINATION OF COPPER IN WATER BY FAAS
... A 1000 mg L −1 stock solution of copper was prepared from analytical reagent grade Cu (II) nitrate in doubly distilled water and standardized titrimetically with EDTA before use. The standard solutions were prepared by ...
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Interaction effect of sucrose, salicylic acid and 8-hydroxyquinoline sulfate on vase-life of cut Gerbera flowers
... of 8-hydroxyquinoline as shelf-life- enhancing liquid agents in combination with BA and sucrose, but our results suggest that SA, alone or in combination with sucrose, could not surpass 8-HQS ...
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Isolation and characterisation of 2 Tert butyl 8 hydroxyquinoline as a crystalline solid and its blue fluorescent Li complex
... 3.4. Preparation of 2-Tert-butyl-8-hydroxyquinoline. 2-Tert- butyl-8-methoxyquinoline (9.8 g; 0.045 mole) was dissolved in dichloromethane (60 mL) and to the magnetically stirred solution at room ...
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Thermo kinetic study of 8-hydroxyquinoline 5-sulphonic acid- melamine-Formaldehyde polymer resin-III
... substituted benzoic acid-formaldehyde resin [5] for different metal ions. Thermogravimetric analysis of urea-formaldehyde polycondensate (UFPS) has been reported by Zeman and Tokarova [6]. Terpolymer resins having good ...
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Comparative Structural and Vibrational Study of 8 Hydroxyquinoline and 8 Hydroxyquinoline Succinate Compounds: A DFT Study
... The 8-hydroxyquinoline has 18 atoms with 48 fundamental modes of ...of 8-HQ reported by Krishnakumar et ...of 8-HQ and 8-HQSC are shown in ...In 8-HQ, OH-N hydrogen bond ...
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An Investigation on the Pharmacological Profile of Titanium (IV) and Aluminum (III) 8-Hydroxyquinoline Derivatives Grafted on MCM-41 Mesoporous Silica
... of 8-hydroxyquinoline derivatives of titanium and aluminum were adjoined with MCM-41 nano silica using condensation of hydroxide groups of the MCM- 41 beds modified by alkoxy ...
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SPECTROPHOTOMETRIC DETERMINATION OF PARACETAMOL DRUG USING 8 HYDROXYQUINOLINE
... Reliability and suitability of the method were determined by adding known quantities of authentic hydrolyzed paracetamol to the pre- analyzed paracetamol tablets. The marketed samples having different brands were taken ...
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Theoretical Studies on Electrophilic Aromatic Substitution Reaction for 8-Hydroxyquinoline
... molecule 8-hydroxyquinoline electrophilic aromatic substitution reaction theoretically has six possibilities due to the presence of six hydrogen on aromatic carbon atoms which is associated with the C-2 to ...
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Synthesis of Novel Azo Dyes Derived from 8 Hydroxyquinoline
... 7-substituted 8-Hydroxyquinoline (8HQ) presented in this work were synthesized by a coupling reaction with 8HQ derivatives using a primary aromatic ...
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