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high specific surface
相关语句
  高比表面
    Silica gels with the high specific surface area and the high adsorption activity have been prepared from water glass and HCL through the process of adding surfactant.
    以水玻璃和盐酸为原料 ,通过添加表面活性剂制备出高比表面、高吸附活性的硅胶。
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  high specific surface
Study on catalyst carrier nano-α-alumina with high specific surface area
      
The central point in this technique is the quantitative interpretation of data, especially, for substances with a high specific surface area.
      
In porous electrodes with an immobilized enzyme the substrate must have a high specific surface area, which must be accessible to landing onto it a maximum number of enzyme molecules.
      
The use of membrane filters allows one to obtain amorphous silica with a reduced impurity content and a high specific surface area, as well as an aqueous hydrosol of colloidal silica.
      
This paper describes a simple synthetic route for the synthesis of hexagonal boron nitride (h-BN) powders with high specific surface area, in which BBr3, NH4Cl and Al powders are used as starting materials.
      
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Silica gels with the high specific surface area and the high adsorption activity have been prepared from water glass and HCL through the process of adding surfactant. DTA TGA, BET,XRD,IR,TEM and some other methods were used to characterize the structure and performance of silica gels. It was found that the best technical conditions are: water glass density is 4%,hydrochloric acid density is 5 M, surfactant density is 5%, aging time is 1 h, calcining temperature is 600 ℃. The specific surface...

Silica gels with the high specific surface area and the high adsorption activity have been prepared from water glass and HCL through the process of adding surfactant. DTA TGA, BET,XRD,IR,TEM and some other methods were used to characterize the structure and performance of silica gels. It was found that the best technical conditions are: water glass density is 4%,hydrochloric acid density is 5 M, surfactant density is 5%, aging time is 1 h, calcining temperature is 600 ℃. The specific surface area of the silica gel is 998 m 2/g; the static adsorption amount of Zirconium is 32.6 mg/g, the adsorption distribution coefficient is 56.1 mL/g.

以水玻璃和盐酸为原料 ,通过添加表面活性剂制备出高比表面、高吸附活性的硅胶。用BET ,DTA TGA ,IR ,XRD ,TEM等手段对硅胶的结构和性能进行了表征。结果表明 ,合成硅胶的适宜工艺条件为 :水玻璃浓度 4 % ,盐酸浓度 5mol/L ,表面活性剂浓度 5% ,老化时间 1h ,煅烧温度 6 0 0℃。该硅胶的比表面积可达 998m2 /g ,对锆的静态吸附量可达 32 6mg/g ,吸附分配系数为56 1ml/g。

 
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