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Match case Limit results 1 per page. ChcmicaJ Engineering Scfencr, Vol. M, No. 19, pp. 3363-3372, 1993. OOlX-2509/93 $6.00 + 0.00 Printed in Gnat Britain. 0 1993 Pergamon Prcsn Ltd DISPERSION OF TITANIUM DIOXIDE AGGLOMERATES IN VISCOUS MEDIA YOUNG-JIN LEE,' DONALD L. FEKE** and ICA MANAS-ZLOCZOWER+ 'Department of Macromolecular …
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WO1990001072A1 - Titanium agglomerates - Google Patents Titanium agglomerates Download PDF Info Publication number WO1990001072A1 ... titanium Prior art date Application number PCT/AU1989/000314 Other languages …
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Particles were visualized using a spectral confocal microscope by reflection. Both types of particles aggregated in the culture media and were efficiently internalized by osteoblasts as agglomerates. Treatment of isolated cultures of osteoblasts with rutile particles stimulated the release of IL-6, PGE 2, and GM-CSF to a lesser extent than ...
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Acute and Subchronic Airway Inflammation after Intratracheal Instillation of Quartz and Titanium Dioxide Agglomerates in Mice. The Scientific World Journal, Sep 2018 Martin Roursgaard, Keld A. Jensen, Steen S. Poulsen, Niels-Erik V. Jensen, Lars K. Poulsen, Maria Hammer, Gunnar D. Nielsen, Søren T. Larsen. Martin Roursgaard. Keld A. Jensen ...
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The formation of coarse TiO 2 (rutile) agglomerates in PBS or RPMI was prevented by addition of 1.5 mg/ml of human, bovine or mouse serum albumin, or mouse serum. The required concentration of albumin to stabilize the nanoparticle dispersion depended on the concentration of the nanoparticles in the dispersion. ... Titanium(IV) oxide nanopowder ...
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WO1990001072A1 - Titanium agglomerates - Google Patents Titanium agglomerates Download PDF Info Publication number WO1990001072A1 ... titanium Prior art date Application number PCT/AU1989/000314 Other languages French (fr) Inventor John Sydney Hall Ken George Carey
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Acute and Subchronic Airway Inflammation after Intratracheal Instillation of Quartz and Titanium Dioxide Agglomerates in Mice
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A molar acid to alkoxide ratio of 10 and a water to alkoxide molar ratio of 250 produced rutile powders when precipitated below 45 °C. Higher temperatures yielded initially either …
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Particles were visualized using a spectral confocal microscope by reflection. Both types of particles aggregated in the culture media and were efficiently internalized by …
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T ransport of anatase and rutile titanium dioxide nanoparticles in soils . ... hydrochar agglomerates with a larger pore size distribution, more carboxylate groups, and less negative charges on ...
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According to the different phases at which titanium dioxide (TiO2) crystallizes, previous studies have shown that anatase is more efficient for photocatalysis than rutile. Nowadays, the synergetic effect is well-accepted between anatase and rutile as having an effect in increasing performance in photocatalysis. In the present work, control over the anatase/rutile ratio was performed in …
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titanium oxide (rutile, anatase, and ilmenite) is helpful. 1.1. Fundamentals of mechanical activation ... this case, the necessary agglomerates of FeTiO 3 /Al are created …
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Titanium dioxide (TiO 2) nanoparticles with different ratios of anatase to rutile transformation were synthesized by the modified sol–gel method.The optical properties were investigated by UV–vis diffuse reflectance spectrophotometry. Phase transformation, crystallinity, and crystal structure of the calcined TiO 2 samples were derived from X-ray diffraction analysis.
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To reduce the amount of these boosters, the process of mechanical activation of titanium oxide (rutile, anatase, and ilmenite) is helpful. 1.1. ... (40%) at 50°C, mechanically activated FeTiO3 …
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To reduce the amount of these boosters, the process of mechanical activation of titanium oxide (rutile, anatase, and ilmenite) is helpful. 1.1. ... (40%) at 50°C, mechanically activated FeTiO3 with Al in ratio 1:0.3 was tested. In this case, the necessary agglomerates of FeTiO3/Al are created even after 15 min of mechanical activation. Figure ...
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Rutile decomposition by sulfuric acid, including the formation of two salts, Ti(SO4)2/TiOSO4, is thermodynamically modelled. It is shown that TiO2 can spontaneously dissolve in H2SO4 solutions. However, titania is …
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The bed expansion as well as the agglomerate size decrease over time while the fractal dimension of the agglomerates stay nearly constant. ... In this study, the amount and ratio of flake waste glass powder and rutile titanium dioxide (TiO 2) were designed based on the theory of pigment volume concentration (PVC)/critical pigment volume ...
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(First received 21 July 1992; accepted in revisedfirm 25 March 1993) Abstract-The dispersion behavior of titanium dioxide agglomerates in viscous media was studied. Under application of shear within a cone-and-plate device, the titanium dioxide agglomerates primarily dispersed by an erosion process in which small fragments separate from the ...
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AU626155B2 - Titanium agglomerates - Google Patents Titanium agglomerates Download PDF Info Publication number AU626155B2 ... titanium Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status ...
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With an estimated TiO 2 concentration of about 0.7 wt.% (Rudnick and Fountain, 1995), titanium is the ninth most abundant element of the Earth's continental crust.The most …
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Rutile titania powders were synthesized via a sol-gel/hydrothermal process using nitric acid as the catalyst. A molar acid to alkoxide ratio of 10 and a water to alkoxide molar …
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Acute and Subchronic Airway Inflammation after Intratracheal Instillation of Quartz and Titanium Dioxide Agglomerates in Mice. Authors. Martin Roursgaard; Keld A. Jensen + 6 moreSteen S. Poulsen; ... SRM1878a and DQ12, a micro- and nano-size rutile titanium dioxide (TiO2), a nano-size anatase, and an amorphous TiO2. Particles were …
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Rutile (R) TiO 2 was prepared using titanium isopropoxide (TTIP, Sigma-Aldrich, ≥97.0%) as a precursor and applying a low-temperature synthesis ... but upon higher …
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Acute and Subchronic Airway Inflammation after Intratracheal Instillation of Quartz and Titanium Dioxide Agglomerates in Mice The Scientific World Journal, Jul 2018 Martin Roursgaard, Keld A. Jensen, Steen S. Poulsen, Niels-Erik V. Jensen, Lars K. Poulsen, Maria Hammer, Gunnar D. Nielsen, Søren T. Larsen
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3. Toxicity and Biocompatibility—In Vitro and In Vivo Evaluation of the Toxicity of Titanium Dioxide The wide application of titanium dioxide is related to its low toxicity. Many studies with TiO 2 of different nanoparticle and microparticle sizes and crystal forms were performed to assess skin, lung, immune system, and hematotoxicity. Although titania is a quite …
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The wetting of titanium dioxide agglomerates into their final application such as a resin or solvent can be made easier by the presence of appropriate inorganic and organic surface treatments. ... (Rutile) titanium dioxide pigments their photo = stabilising activity in alkyd paint film increased with the levels of Si/Al/Organic coatings and ...
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Titanium dioxide power is very fine-grained and it agglomerates, so glazes containing it need to be sieved to break down the small ... There should be more blue with slower cooling. Mixing some rutile in (e.g. 4 titanium, 2 rutile) should enhance also. 6% is pushing the edge of how much titanium should be in a recipe. Any more, or cooling too ...
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The sulfate process yields both anatase and rutile crystal forms of TiO2, while the chloride process yields only the rutile crystal structure. ... shear must be applied in a grinding step to break up pigment aggregates and agglomerates. The level of shear stress must be determined for each pigment grade to yield a reasonable evaluation of the ...
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The agglomerates could be broken apart into approximately 100-nm large broomlike agglomerates via a dissolution and reprecipitation process when reacted with …
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WO2017197467A1 - Agglomeration of fines of titanium bearing materials - Google Patents Agglomeration of fines of titanium bearing materials Download PDF Info Publication number ... agglomerates cellulose derivative Prior art date Application number PCT/AU2017/050475 Other languages English (en) French (fr) Inventor
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Particles were visualized using a spectral confocal microscope by reflection. Both types of particles aggregated in the culture media and were efficiently internalized by osteoblasts as agglomerates. Treatment of isolated cultures of osteoblasts with rutile particles stimulated the release of IL-6, PGE2, and GM-CSF to a lesser extent than titanium.
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6 THE APPLICATION OF RUTILE NANO - CRYSTALLINE TITANIUM DIOXIDE AS UV ABSORBER Jerneja Godnjavec 1, Bogdan Znoj 1, Peter Venturini 1, Andrej Žnidaršič 2 1Helios Domžale, d.d., Domžale, Slovenia 2Nanotesla Institut, Ljubljana, Slovenia Key words: titanium dioxide, rutile, co-precipitation method, UV absorber, surfactant Abstract: Nano – crystalline …
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Rutile is the most common natural form of TiO 2, and it is usually used in optical elements, because it has the highest refractive index at visible wavelengths of any known crystal. ... leading to precipitation of the largest agglomerates. 4.1. Titanium concentrations in …
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A particle size of around 0.25 microns yields the highest scattering efficiency across the entire visible spectrum for rutile titanium dioxide. For anatase titanium dioxide, the ideal particle size is around 0.3 microns. Milling to below this size significantly reduces the pigment scattering power and increases the Manufacturer's costs, both ...
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