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amydyq

金虫 (小有名气)

[求助] 有做过纳米MnO和Mn3O4的没?求助。。。看着文献的步骤怎么做不出来。急急。。。。

7.92 g of manganese chloride tetrahydrate (MnCl2•4H2O, 40 mmol, Aldrich Chemical Co., 98 %) and 24.36 g of sodium oleate (80 mmol, TCI Co., 95 %) were added to a mixture composed of 30 ml of ethanol, 40 ml of distilled water, and 70 ml of n-hexane. The resulting mixture solution was heated to 70 °C and maintained overnight at this
temperature. The solution was then transferred to a separatory funnel and the upper organic layer containing the Mn-oleate complex was washed several times using
distilled water. The evaporation of the hexane solvent produced a pink coloured Mn-oleate powder.
然后再热分解就可以得到MnO纳米颗粒。我根据文献的步骤做了,怎么做不出来啊。。求个人指点。。。。各种感谢。
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贺贺熊

新虫 (小有名气)

前辈,请问你合出来了吗?可以请教你一下吗?我合成氧化锰的时候变成了绿色,正常的应该是黑色或者棕色,请问您知道为什么会变绿吗?是我哪里做错了吗?感谢前辈
2楼2019-03-07 15:45:02
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