Preparation of Spherical Microfine Silicon Powder

查看全文 作　　者：SHENG Yong ZOU Jun LI Bing TU [1]Mingjing

机构地区：[1]College of Material Science and Engineering, Sichuan University, Chengdu 610065, China

出　　处：《Journal of Wuhan University of Technology(Materials Science)》索引2008年第23卷第4期,共3页

基　　金：the National Innovation Foundation of China (No. 04C26225120227) 摘　　要：Under certain conditions of proper temperature and pH value, sodium silicate was hydrolyzed in liquid ammonia chloride, and spherical microfine SiO2 powder in micrometer-size was prepared. In this experiment, the relationship between needed time and proper pH value, temperature, density of the solution, and its current capacity were found .The optimum conditions are pH 8.5, 70 ℃, and the concentration of sodium silicate is 0.6 mol/L for the density of the solution. The structure of spherical microfi ne silicon was charactetized by SEM and XRD. 关键词：二氧化硅粉末 PH值实验研究无机原料

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Preparation of Spherical Microfine Silicon Powder

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