O-phenylenediamine
THERMODYNAMICS OF BINARY ALLOYS OF PHARMACEUTICAL ACTIVE IMIDAZOLE WITH O- PHENYLENEDIAMINE
... The present study describes the investigation of eutectic and non-eutectic alloys of imidazole (IM) with o - Phenylenediamine (OPD). the solid-liquid equilibrium (SLE) data determined by thaw melt method in ...
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An All-Solid-State Ammonium Ion-Selective Electrode Based on Polyaniline as Transducer and Poly (o-phenylenediamine) as Sensitive Membrane
... electrochemical polymerization were shown in Fig. 2. Weak oxidation of o-phenylenediamine was initially observed at the potential of 5.5 mV in the initial scan, and the main oxidation occurred at 0.2078 V, ...
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One pot template synthesis, characterization and biological assay of tetraaza (N4) macrocyclic complexes of transition metal ions derived from acetylacetone / succinic acid with o phenylenediamine
... (2a-d): 20 ml ethanolic solution of o-phenylenediamine (1.08 g, 0.01mol) was taken. To this, 15 ml aqueous solution of (1.24 g, 0.005 mol) cobalt acetate tetrahydrate was mixed. The solution was refluxed ...
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Synthesis, characterization and antimicrobial activity of transition metal complexes with Schiff base derived from 1, 2-diphenylethane-1, 2-dione with o-phenylenediamine and benzophenone
... O-phenylenediamine (4.55g, 0.025mol) in ethanol solution (30ml) was added to magnetically stirred ethanolic solution (30 ml) of benzophenone (2.70g, 0.025 mol) and mixture was refluxed for 6 hours through ...
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Study of Complex Formation Constants for Some Cations With O Phenylenediamine in Binary Systems Using Square Wave Polarography Technique
... As a result, variations in the nature of the solvent pro- duce significant changes in the binding properties of the ligand [8]. Various physiochemical methods have been used to obtain the stability constants of complexes ...
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Fabrication and Modeling of Ultrasensitive Label Free Impedimetric Immunosensor for IgG based on Poly(o-phenylenediamine) Film Modified Gold Electrode
... Rabbit IgG (dry power) and goat anti-rabbit IgG (purification) were obtained from Beijing Solarbio Science & Technology Co., Ltd.. Bovine serum albumin (BSA), Glutaraldehyde (GA) (50%) aqueous solution and ...
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Anticorrosion Performance of Epoxy Coating Containing Reactive Poly (o-phenylenediamine) Nanoparticles
... In the present work, we report the synthesis of poly(o-phenylenediamine) (PoPD) nanoparticles by chemical oxidative polymerization of o-phenylenediamine mono-hydrochloride salt. The obtained ...
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Selective Recognition of Ciprofloxacin Hydrochloride Based on Molecular Imprinted Sensor via Electrochemical Copolymerization of Pyrrole and o-phenylenediamine
... >98%), o-phenylenediamine (o-PD, >98%), ciprofloxacin hydrochloride (CPX, >98%), enrofloxacin (EF), tetracycline (TCH), chloramphenicol (CM, >98%) have been procured from Aladdin ...
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Synthesis and Characterization of Benzimidazole by Using o-Phenylenediamine with Different Aldehydes and Carboxylic Acids in the Presence of ρ-TSOH as a Catalyst
... In this study, a number of rings of benzimidazole have been synthesized from the reaction of o-phenylenediamine with different aldehydes and different carboxylic acids by using ρ -T S OH as a catalyst in ...
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Evidence for the Formation of a Copolymer by Simultaneous Electropolymerization of p-Tetraaminophenyl Porphyrin Cobalt (II)) and o-Phenylenediamine on Glassy Carbon
... of o-phenylenediamine, PoPD, generates stable and thick films with electroactivity to some reduction reactions and without redox response in the positive range between ...
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Oxovanadium(IV) complexes with tetraaza macrocyclic ligands derived by condensation of 1,2-diacetylbenzene with o-phenylenediamine
... with o-phenylenediamine in 1:2 molar ratio in aqueous ethanol medium and their cyclization with β-diketones is reported, where vanadyl ion play a key role as kinetic ...
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Poly(o-phenylenediamine)-Multiwalled Carbon Nanotube Nanocomposite Based Electrochemical Sensing Platform for Paraquat Detection
... of o-phenylenediamine (PoPD) onto the functionalized multiwalled carbon nanotube nanocomposite (MWCNT) which acts as the good sensing materials for the electrochemical sensing of ...
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Evaluation of the Thermal Stability of Poly (O–phenylenediamine) (PoPD) by Thermogravimetric Analysis (TGA)
... The synthesis of poly o-phenylenediamine in HCl medium with potassium dichromate as an oxidizing agent using chemical method was successfully achieved. Thermogravimetric analysis (TGA) was used to determine ...
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In Situ UV–Vis Spectroelectrochemical Studies on the Copolymerization of Diphenylamine and o Phenylenediamine
... The in situ ultraviolet-visible (UV-Vis) spectroelectrochemical study on the copolymerization of diphenyl- amine (DPA) and o-phenylenediamine (OPD) has been performed at a constant potential of 0.8 V using ...
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Molecularly Imprinted Sensor based on o-phenylenediamine for Electrochemical Detection of Sulfamethoxazole
... cavities, which could selectively recognize template molecule. The molecularly imprinted electrochemical sensors have received great attention due to their high selectivity, sensitivity, chemical stability, ...
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Investigation of Corrosion Resistance of poly(o-phenylenediamine)-ZnO Composites on Carbon Steel
... Abstract: Synthesis of poly(o-phenylenediamine) (PoPD) and poly(o-phenylenediamine)-ZnO (PoPD-ZnO) nanocomposites on carbon steel by in-situ polymerization with HCl acid as doping acid ...
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Spectroscopic and DFT Investigations on a New Macrocyclic Schiff Base Compound of o Phenylenediamine
... The Schiff base compound PMDP was prepared by the condensation of o-phenylenediamine with 3,5-diiodosalicylaldehyde in 1:2 molar ratio in methanol (40 ml). The reaction mixture was heated under reflux for ...
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Investigation of Corrosion Resistance of poly(o- phenylenediamine)-ZnO Composites on Stainless Steel
... of o-Phenylenediamine was added into 50 ml of 1 M HCl under a series of ultrasonic vibrating, magnetic and vigorous stirrings, and then 50 mL of 1 M APS solution was added dropwise into the above ...
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Comparison of electrical and photoluminescence properties of synthesized poly o-phenylenediamine and its sio2 nanocomposites
... nanoparticles like 5%, 10% and 15% by oxidative polymerization method using ammonium persulphate as an oxidant in the presence of HCl. The formation of polymers and their nanocomposites[r] ...
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Synthesis of series of 2 methyl 4 (substituted phenyl) 1,5 benzodiazepines and evaluation of antibacterial activity
... In spite of their use in pharmaceutical, industrial and synthetic point of view, only two methods are widely used for synthesis. Methods include condensation of o-phenylenediamine with (1) α, β-unsaturated ...
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