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Influence of ratio of silicon complex and coagulant on silicon dioxide physicochemical characteristics

It is known that the physicochemical characteristics of amorphous SiO2 are influenced by the raw material, process temperature, pH of the reaction medium, the ratio of reagents, the addition of coagulant, and modes of washing and drying. Previously, a waste-free technology for the production of biogenic silicon dioxide was described. However, there was a question of the ability to control the grain size of the final product. Therefore, the aim of our work was to study the effect of the ratio of mass concentrations of silicon-containing solution and coagulant (5:100; 5:500; 5:1000) on the physicochemical properties of the final product. The obtained samples of silicon dioxide were studied by various physicochemical methods. XRD pattern of the obtained silica showed that the 2-theta region between 5° and 80° at long collection times indicates no crystalline peaks. The FT-IR spectrum of the whole silica samples shows …

https://scholar.google.com/citations?view_op=view_citation&hl=tr&user=GE3dzjIAAAAJ&cstart=20&pagesize=80&citation_for_view=GE3dzjIAAAAJ:RHpTSmoSYBkC

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