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flyhighcc

金虫 (初入文坛)

[求助] 求100nm左右球形度好的α-Fe2O3的制备方法或可直接购买成品

实验过程中需要用到100nm左右球形度好的α-Fe2O3,尝试了几种方法,结果或者粒径过大,或者不能成规整、均一的球形。由于不以其研究合成方法为主,只是实验小小的一部分,故求一可行的实验制备方法。或可直接购买成品。希望会做的或买过的同学帮帮忙,谢谢。
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huangfeng82

银虫 (小有名气)

【答案】应助回帖

FeCl3+NH4H2PO4溶于水一起放水热釜200度,30小时,形貌根据NH4H2PO4量可以由扁球-球-椭球。
2楼2013-03-12 10:26:45
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