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AbstractIntroductionSynthesis of NanosilicaSynthesis of Nanosilica Particles by Sol-Gel ProcessSilica-Filled Polymer NanocompositesSummaryAcknowledgmentApplication of silica nanoparticles as fillers in the preparation of nanocomposite of polymers has drawn much attention, due to the increased demand for new materials with improved thermal, mechanical, physical, and chemical properties. Recent developments in the synthesis of monodispersed, narrow-size distribution of nanoparticles by sol-gel method provide significant boost to development of silica-polymer nanocomposites. This paper is written by emphasizing on the synthesis of silica nanoparticles, characte…See more on hindawi.com[PDF]Simple and fast preparation of pure maghemite … link.springer.com/content/pdf/10.1007/s10971-011-2559-8.pdfaqueous solutions with a 1:1 molar ratio of FeIII metal to citric acid. Liquor ammonia (Aldrich, 30%) was then added drop by drop under constant stirring in order to adjust the pH. Three samples, at pH 7, 4 and spontaneous (1, ammonia free) were prepared. The clear sols were allowed to evaporate on a hot plate maintaining the solution tem-

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What Is Methanol?What Is Methanol Toxicity?Signs and SymptomsTreatmentPreventionMethanol is a type of alcohol that is not meant for consumption. Ingestion of a toxic amount of methanol can lead to a number of toxicity symptoms and can even be fatal. This event is known to occur in the developing world especially to the employees in lower socioeconomic classes [1, 2, 3].The chemical methanol is a colorless watery liquid that is frequently used as an industrial chemical . The chemical itself is not toxic but once the body metabolizes it, it turns into formic acid which is...See more on overdoseinfo.comBENZENE : Systemic Agent - CDC : Clear, colorless to light yellow liquid at room temperature.Benzene is a solid below 42&F (5.6&C). DESCRIPTION: Benzene is used to make chemicals used in the manufacture of industrial products such as dyes, detergents, explosives, pesticides, synthetic rubber, plastics, and pharmaceuticals.Benzene is found in gasoline and trace amounts are found in cigarette smoke.

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