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【求助】K2CO3和硅溶膠HS-40反應嗎
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| 不知道K2CO3和硅溶膠HS-40在一定溫度下反應嗎,反應產(chǎn)物是什么呢?HS-40即SiO2含量為40%,請高手指點一下啊,多謝啦 |
» 搶金幣啦!回帖就可以得到:
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不反應吧,理論上沒這個可能啊 我沒試過 您為什么這么用呢 LUDOX® HS-40 contains synthetic amorphous silica of nominal 12 nanometer particle size. The alkaline aqueous colloidal dispersion contains 40% silica. Product Specifications Property Unit Specification Test Method Specific Gravity @ 60°F 1.292 –1.312 L6550.310.02.EC Silicon Dioxide %SiO2 39.0 – 41.0 L6550.083.01.EC pH @25°C/77°F 9.2 – 9.9 L6550.280.01.EC Ratio SiO2/Na2O 89 – 101 L6550.043.01.EC % Transmission % 52 Min P5900.523.01.EC Viscosity @ 25°C cPs 45 Max L6550.545.01.EC Sulfate %Na2SO4 0.08 Max L6550.277.01.EC Surface Area m2/g 198 – 258 L6550.005.02.EC Alkalinity %Na2O 0.39 – 0.46 L6550.005.01.EC The following Typical Properties data are given for informational purposes only, and are not to be interpreted as product or in-process specifications. Typical Properties Property Unit Typical Value Density kg/L, lb/gal 1.3, 10.8 Boiling Point @760mm Hg °C/°F 100/212 Melting Point °C/°F 0/32 Vapor Pressure @25°C/77°F mm Hg 24 @ 38°C/100°F mm Hg 48 Stabilizing Counter Ion Sodium Particle Charge Negative Biocide ppm 240 Recommended Applications LUDOX® HS-40 colloidal silica is broadly used in the formulation of coatings, catalysts, antislips and antisoil treatments as well as a high temperature binder for refractory fibers, investment castings, etc. Key features are: • High binding strength and stability in most applications • Highest silica content for this particle size |
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