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华科

木虫 (小有名气)

[求助] SiO2包覆 已有1人参与

做SiO2包覆磁性微粒,磁性微粒溶剂热法合成(异丙醇为溶剂),产品干燥后再进行SiO2包覆,采用Stober法(0.1g 磁性微粒80ml乙醇,20ml水,再加入1mlTEOS,b不断搅拌再加入2ml28%氨水),30度反应12h后静置,溶液呈白色,磁性颗粒颜色没太大变化,请问这包硅过程是否需要改进?能否判断SiO2包上?
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zhenwuhuang

至尊木虫 (文学泰斗)

【答案】应助回帖

感谢参与,应助指数 +1
[精品]Fe3O4磁性超细微粒的SiO2表面包覆改性
http://www.doc88.com/p-0701460372424.html
2楼2015-09-13 15:41:44
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