نتایج جستجو برای: sodium aluminate
تعداد نتایج: 188471 فیلتر نتایج به سال:
containing different radiopacifiers, Bi2O3, ZnO or ZrO2, compared with Mineral Trioxide Aggregate (MTA). According to ISO 10993-12:2012 (E) recommendations, 0.2 g of each cement were applied in transwell inserts and placed in 24-well culture plates containing 1 mL of culture medium (DMEM). After 24 h of incubation, the extracts (DMEM containing components released from the cements) were applied...
In this study, we investigate calcium aluminate phases that were prepared by three different solid phase synthesis methods and a sol-gel method (with and without EDTA). The purpose of this study is to compare these three methods in terms of achieving higher purity, optimal phase and complexity in the production of the final product. Comparing the results, we found that the sol-gel method is mo...
Truly environmentally friendly means of detoxifying chemical warfare agents have yet to be developed. Toward this end, Soman (GD), VX and agent simulants were treated with aqueous aluminum sulfate (alum), sodium aluminate, or mixtures of the two. The mixtures were prepared by combining varying volumes of the aqueous salts to give buffered solutions (pH 2-12). Reactions were tracked using phosph...
Polarization-resolved terahertz (THz) time-domain spectroscopy was utilized to examine the complex refractive index of lanthanum aluminate (LaAlO3), a rhombohedrally distorted perovskite that exhibits crystallographic twin domains. The uniaxial anisotropy of the refractive index was quantified. The ellipticity of THz radiation pulses after transmission through single domains indicated that LaAl...
Low silica zeolites are synthesized generally by sol-gel method in water. In this study, efforts were made to prepare low silica zeolites from sodium aluminate and sodium silicate, in the presence of alcohols, at 373 K under an atmospheric pressure. It was of our special interest to investigate how the addition of various alcohols into water affects the type of zeolites synthesized during cryst...
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