نتایج جستجو برای: silica chloride
تعداد نتایج: 123897 فیلتر نتایج به سال:
Nano-silica-bonded 3-n-propyl-1-sulfonic acid imidazolium chloride (nano-SB-[PSIM]Cl) was applied as a highly efficient, general and heterogeneous catalyst for one pot multi-component reaction of 2-naphthol, arylaldehydes, and thioacetamide leading to 1-thioamidolakyl-2-naphthols. All reactions proceeded with excellent yields in short times under solvent-free conditions. Our protocol w...
Aim and Objectives: To compare evaluate the antibacterial efficacy of various nanoparticles incorporated in orthodontic primer with that conventional antimicrobial agents at different concentrations on Streptococcus mutans ( S. mutans) strain. Materials Methods: Transbond XT Primer was mixed 2.5% 5% benzalkonium chloride (BAC), 0.2% chlorhexidine, 1% 3% titanium dioxide (TiO 2 ) nanoparticles, ...
Abstract Pretreated silica sand labeling using varying concentrations of tin(II) fluoride and chloride as reducing agents different times was performed in order to develop a methodology for with 99m Tc solid radiotracer. Influence pretreatment parameters on the sorption yield (R ret% ) statistically evaluated. The effectiveness methods used reduce pertechnetate ( TcO 4 − by ascending paper chro...
Synthesis of Organofunctionalized Silica Gel from Tributylstannylated Silicic Acid and Acyl Chloride
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