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junjun0513

铁虫 (小有名气)

[求助] 二氧化硅凝胶的配比

虫子们,由于自己的课题与导师的方向完全不在一条线上,因此,做实验很费力,师兄师姐也无法帮助我。最近在做二氧化硅凝胶,结果失败了,我也是参照文献上做的:具体是水:TEos=2.0,HCl:水=0.0025,醇:TEOs=1.2(摩尔比)温度60,形成的凝胶我就拿出干燥,结果就……。我想问下形成的凝胶如何得到二氧化硅呢?或者给我几篇文献也可以。
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feng0727

新虫 (初入文坛)

能具体说下怎么制备的二氧化硅凝胶吗,是反应温度为60,还是放在60度的烘箱中,要放几天呢,几天能形成凝胶呢
2楼2016-12-02 15:29:46
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