silica-titania
Influence of ZnO doping on structural, optical and pH-stimulus characteristics of silica-titania nanocomposite matrix
... mixed silica-titania sol fol- lowed by stirring and heated at 80 ° C for 1 h, the mixture was left at room temperature for several days for its appropri- ate aging ...
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Silica-titania xerogel doped with Mo,P-heteropoly compounds for solid phase spectrophotometric determination of ascorbic acid in fruit juices, pharmaceuticals, and synthetic urine
... modified silica and silica-titania xerogels were char- acterized by yellow color indicating the presence of ...for titania sol–gel materials ...unmodified silica-titania xerogel ...
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Silica-titania xerogel for solid phase spectrophotometric determination of salicylate and its derivatives in biological liquids and pharmaceuticals
... In order to develop analytical procedures of salicylate derivatives determination we investigated the depend- ency between the silica-titania xerogels absorbance and the analyte concentration. The ...
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Biodiesel Production from Palm and Waste Cooking Oils Catalyzed by Silica Titania Catalyst with Time Variation
... Abstract:- The optimation of reaction time on biodiesel production from palm oil and waste cooking oil catalyzed by silica-titania has been investigated. The reaction time varied in the range of 2-6 hs. The ...
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Sol-gel Derived Silica-titania Porous Coating for the Surface Modification of Dental Implants
... better control of the chemical component and microstructure of the coating. Titanium substrates could also be chemically treated using acid, alkali, hydrogen peroxide and even heat based on correspondingly chemical ...
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Method of making a surgical laser fiber from a monolithic silica titania glass rod
... ULE optical ?bers can be produced and ?berized into contact tips for use with all standard laser optical ?ber delivery systems.. Such ?bers would be com.[r] ...
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Carboxylic Acids and Esters as Scaffold for Cavities in Porous Single Layer Anti Reflective Coatings of Silica Titania with Excellent Optical and Mechanical Properties
... However, ARC-1 and ARC-2 showed comparable or even higher transmittance values and also higher scratch resistances and adhesions ratings in comparison to others single layer ARCs found i[r] ...
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Methods of using silica-titania clad fibers
... A method of performing an in vivo medical procedure about 95% or more of laser energy from the proximal to the distal end of the optical ?ber; 2 an outermost cladding layer located on th[r] ...
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Sol Gel Relative Humidity Sensors: Impact of Electrode Geometry on Performance in Soil Suction Measurements
... This paper describes the experimental procedure followed to fabricate and va- lidate sol-gel based RH sensors which will be incorporated in soil specimens for standard laboratorial tests. It is the first time such ...
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Titania Coated Silica Alone and Modified by Sodium Alginate as Sorbents for Heavy Metal Ions
... nanosized silica-titania modified with alginate within the development of effective adsorbent for heavy metal ...onto titania-coated silica (ST20) initial or modified by sodium alginate ...
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Tribological Behaviour of Plasma Sprayed Al2O3-TiO2 Coating on Al-6082T6 Substrate
... Alumina, Titania and Alumina-Titania coatings are deposited on metal substrates with an intermediate bond coat of NiCrAl by atmospheric plasma spraying and these bond coatings exhibit desirable coating ...
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Using Swellable Polymers as Structure Directing Scaffolds in Mesoporous Titania Synthesis
... DOI: 10.4236/msa.2018.92014 224 Materials Sciences and Applications marginally higher specific surface area. Additionally, the modified material con- tains both anatase and rutile polymorphs while the unmodified ...
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Direct-continuous preparation of nanostructured titania-silica using surfactant-free non-scaffold rice starch template
... To the best of our knowledge, there are only limited reports on the sol-gel synthesis of SiNS and Ti-SiNS from surfactant-free templates using polymer-silica blends from biomaterials. In 2002, Zhang et al. ...
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Synthesis of High Performance Titania (TiO2) Photocatalyst using Microwave Assisted Synthesis(MAS) Method.
... of titania varies depending on its crystalline phase, crystallinity, surface area, and ...of titania, anatase is generally recognized to be the most active phase as compared to rutile and brookite forms ...
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An Efficient Electrochemical Approach for Characterization of the Interface Strength of Nano Titania-Silica (TS) Composite Coating on Titanium Implants
... The electrochemical experiments revealed that the developed coatings had high degradation resistance characteristics and high biomimetic growth characteristics2. There was no degradati[r] ...
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Development of a Low Temperature Sol Gel Derived Titania Silica Implant Coating
... sol-gel titania and titania-sil- ica films can be made with contact angle and photocata- lytic activity measurements; the results of this study ex- press above mentioned properties all together, thus ena- ...
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Sol-Gel Preparation Of Sulfated Titania As Nickel Supporting Material
... nickel titanate phase at this sample was similar to the results reported by Numata et al (2010). Nickel titanate would be formed by solid reaction on the surface of anatase with NiO. The different preparation method of ...
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Growth by radio frequency sputtering and characterisation of rare earth doped wide bandgap oxides
... as-grown titania films were amorphous, as indicated by the XRD analysis: no diffraction peak was ...doped titania and for films with various amounts of neodymium grown on quartz substrates, after annealing ...
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Fabrication of Three Dimensional Titania Building Blocks on Glass Substrate from Mono Dispersed Titanium Glycolate Spheres and Their Photocatalystic Properties
... with titania films, which have different ...of titania films, which have different morphologies, were not significantly ...of titania film show excellent photocatalytic activities to decompose ...on ...
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Synthesis of TiO2/Al MCM 41 Composites with Coal Measure Kaolin and Performance in Its Photocatalysis
... Nanoparticles of titania have a large specific surface area, which is responsible for the better performance [13,14]. Because of its wide band gap of 3.0-3.2 eV, the effective industries application of titanias ...
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