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wlvivian1984

木虫 (小有名气)


[交流] Fe-Oleate

各位虫友有人做过油酸铁吗?我按照nature materials 2004,3,891的方法,它合成出来只用水洗,然后干燥,我用旋转蒸发也很难将其干燥成文献所说的waxy solid form,因此在后面得iron oxide合成中前驱物很难称量,而且在加热中很很多泡沫搞得回流时经常爆沸,有虫友有经验吗?
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zhu-hongwen

至尊木虫 (知名作家)


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wlvivian1984(金币+1):谢谢参与
学习。
9楼2011-07-23 18:30:24
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jkhjwjh

金虫 (小有名气)


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wlvivian1984(金币+1):谢谢参与
xjajx(金币+1): 鼓励有价值回复 2011-07-19 17:52:06
The mixed-metal(Co2+Fe23+)-oleate complex was prepared by reaction of sodium oleate and a mixture of Fe3+ and Co2+ chlorides. Ina typical synthesis, 4 mmol of FeCl3, 2 mmol of CoCl2, 16 mmol of sodium oleate (C18H33O2Na), 10 mL of H2O, 10 mL of ethanol, and 20 mL of hexane were mixed and refluxed at
60 C for 4 h. The mixed Co2+Fe2 3+-oleate complex (CoFe2- (C18H33O2)8) was obtained by separation of the water phase and subsequent evaporation of the residual ethanol and hexane at 70 C and water at 110 C.
3楼2011-07-18 20:35:33
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阳光西骑士

木虫 (正式写手)


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wlvivian1984(金币+1):谢谢参与
我做过,是带气泡没错,类似于表面活性剂。干燥的话可以采用真空50°干燥。你下一步是合成油酸-四氧化三铁吧?我合成效果不太好……我一个老师合成不错,单分散性很好,和你那篇文献上的一样。
4楼2011-07-18 21:05:16
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yazhouzhiying

铁杆木虫 (正式写手)


★
wlvivian1984(金币+1):谢谢参与
合成纳米Fe3O4有必要那么麻烦吗?非得弄成Fe-Oleate?我看不是必须的吧
5楼2011-07-19 10:26:52
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