Chemistry of Solid Materials
مرور بر اساس
ارسال های اخیر
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Synthesis of phthalocyanine derivatives by synergistic effect of catalysts over nanodimensional zeolites under solvent-free conditions
(University of Guilan, 2013-01-01)Copper (II) phthalocyanine and 2, 9, 16, 23 tetrakis nitro copper (II) phthalocyanine has been synthesized respectively from phthalonitrile and 4-nitro phthalonitrile under solvent-free condition using two different ...
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Fabrication and nanostructural characterization of TiO2 nanorods
(University of Guilan, 2013-01-01)TiO2 nanorods are synthesized by a thermal corrosion. In present work, synthesis of TiO2 nanorods in anatase, rutile and Ti8O15 phases, by using the sol-gel method and alkaline corrosion are reported. The morphologies and ...
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A comparative study on the dispersion of CuO-ZnO-Al2O3 nanoparticles over HZSM-5 via batch co-precipitation, semibatch co- precipitation and combined co-precipitation-ultrasound methods
(University of Guilan, 2013-01-01)A series of CuO-ZnO-Al2O3 nanoparticles over HZSM-5 were successfully prepared using different methods of batch co-precipitation, semibatch co-precipitation and combined co-precipitation-ultrasound. Nitrates of copper, ...
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Batch experimental studies of Hg(II) ion removal from aqueous solution using seven synthetic polymers
(University of Guilan, 2013-01-01)In this work application of seven synthetic polymers as adsorbents for the removal of Hg(II) from aqueous solution was studied. The equilibrium studies are systematically carried out in a batch process, covering various ...
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Fe3O4 nanoparticles as a recyclable catalyst in the conversion of indole to isatin
(University of Guilan, 2013-01-01)Oxidation reaction of indole to isatin was performed in the presence of Fe3O4 nanoparticles (as catalyst) and commercial grade perhydrol (as oxidant). Magnetite nanoparticles were synthesized via chemical precipitation ...
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Optimization of biocatalytic synthesis of Chitosan Ester using response surface methodology
(University of Guilan, 2013-04-01)Esterification of chitosan with adipic acid catalyzed by immobilized Candida antarctica lipase B was carried out in this study. Response surface methodology (RSM) based on a four-factor- five-level small central composite ...
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Electrocatalytic oxidation of formaldehyde onto Pt nanoparticles modified poly (m-toluidine)/Triton X-100 film
(University of Guilan, 2013-04-01)In this work, spherical Pt nanometer-scale particles supported on the poly (m-toluidine)/Triton X-100 film modified carbon nanotube paste electrode (Pt/PMT (TX-100)/MCNTPE) was used as a potent catalyst for electrooxidation ...
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Study of decolorization variety by electrocoagulation process in the removal of Dye solution containing Remazol Yellow G: optimization of effective parameters using the Taguchi method
(University of Guilan, 2013-01-01)The Taguchi method was applied as an experimental design to determine optimum conditions for colour removal from azo dyes solutions containing remazol yellow G by electrocoagulation (EC) using iron and steel electrodes as ...
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Interaction between NaY Zeolite and boric Acid: a preliminary computational study
(University of Guilan, 2013-04-01)A computational study of the electronic structure and stability of complexes formed between Zeolite Y and boric acid was carried out at the HF and B3LYP levels using 6-31G* basis set. Five structures located as local ...
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Spectrophotometric determination of trace amount of malachite green from water with novel magnetic silica nanoparticles
(University of Guilan, 2017-06-01)A nano-hybrid based on polystyrene derivatives and magnetite was introduced as a new sorbent for pretreatment and determine the trace amount of malachite green from aqueous solution by spectrophotometry after preconcentration ...
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Manganese Antimonate: Facile solid state synthesis, characterization and its application for Biginelli reactions
(University of Guilan, 2017-06-01)Nanostructured Mn2Sb2O7 powders were synthesized via stoichiometric1:1 Mn:Sb molar ratio solid state reaction at different reactions temperatures for 8 h using MnSO4.H2O and Sb2O3 as raw materials. The synthesized materials ...
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Synthesis and application of a novel magnetic nanocomposite for determination of trace Cd(II) in water samples
(University of Guilan, 2017-06-01)In this work for the first time, Fe3O4@SiO2 core-shell nanoparticles functionalized with isatin groups as a magnetic nanosorbent was applied for the simultaneous extraction of trace amounts of cadmium (II). The characterization ...
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Application of copper oxide nanoparticles modified glassy carbon electrode for electrocatalytic oxidation of methanol
(University of Guilan, 2013-04-01)Copper nanoparticles were fabricated by electro-reduction of CuSO4solution in the presence of cetyltrimethylammonium bromide (CTAB) cationic surfactant as an additive through potentiostatic method. The prepared copper ...
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Incorporation of [Fe(bipy)Cl4][bipy.H] in molecular sieves: a “ship in a bottle synthesis” approach
(University of Guilan, 2013-04-01)Incorporation of [Fe(bipy)Cl4][bipy.H] (1) (where bipy is 2,2′-bipyridine) in the molecular sieves of the type LTA, NaY and mesoporous Al-MCM-41 by using a “ship in a bottle synthesis” approach was investigated. ...
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Structural and thermodynamic properties of Alumina
(University of Guilan, 2013-04-01)We have investigated the electronic structure and thermodynamic properties of supercell of the -Al2O3 by first-principles calculation in framework of density functional theory (DFT) and full potential linearized augmented ...
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Synthesized some copolymer derivative of poly (Styrene –alternative- Maleic Anhydride) (SMA) for removal Cobalt (II) ions from aqueous solutions and determination residual cobalt (II) ions by using spectrophotometric method
(University of Guilan, 2017-06-01)Chelating resins have been considered to be suitable materials for the recovery of heavy metals in water treatments. A chelating resin based on modified poly(styrene-alt-maleic anhydride) with Melamine was synthesized. ...
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Silicon-substituted hydroxyapatite nanocomposite: Synthesis, characterization and in vitro bioactivity study in Human Serum Albumin
(University of Guilan, 2017-06-01)Nano hydroxyapatite and Silicon-substituted hydroxyapatite nanocomposites with various amount of Si contents (0, 2, 4 and 6 mole % as named as HS0, HS2, HS4 and HS6) were prepared via in situ hybridization method and were ...
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Efficient Fenton like degradation of Methylene blue in aqueous solution by using Fe3O4 nanoparticles as catalyst
(University of Guilan, 2017-06-01)Fe3O4 nanoparticles were prepared hydrothermally and characterized by X-Ray diffraction spectroscopy (XRD), and scanning electron microscopy (SEM). It was found that these nanoparticles can act as an efficient catalyst in ...
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Facile Synthesis and Spectroscopic Studies of SiO2-Core/ZnS-Shell Nanostructure
(University of Guilan, 2017-06-01)SiO2/ZnS core/shell nanostructures have been synthesized at room temperature by a simple wet chemical method. The prepared materials are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), infrared ...
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A comparative study between transition-metal-substituted Keggin-type tungstosilicates supported on anatase leaf as catalyst for synthesis of symmetrical disulfides
(University of Guilan, 2014-10-01)Transition-metal-substituted (TMS) polyoxometalates of the general formula [SiW9M3O39], (where M = first row transition metal), has been synthesized and supported on anatase by sol–gel method under oil-bath condition. ...



