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learn1986

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[交流] 【请教】请教氧化石墨合成洗涤问题

Finally, it was purified by dialysis for one week to remove the remaining metal species.
Exfoliation was carried out by sonicating 0.1 mg/mL GO dispersion under ambient condition for 20 min. The resulting homogeneous yellow-brown dispersion was tested to be stable for several months and used for reduction.
参考文献:ESI Chem. Commun., 2009, 1667–1669,Non-covalent functionalization of graphene sheets by sulfonated polyaniline.
上面的这句话,说用透析方法洗涤金属离子,我想在此请问如下问题:
(1)这个操作的过程的如何的,如果用透析膜进行洗涤,对透析膜有上面要求呢?
(2)制备的氧化石墨为什么说是 0.1 mg/mL GO dispersion 放置数月,就可以说明已经成为了氧化石墨。
(3)氧化石墨和氧化石墨烯有什么区别,分别用什么可以表征出来,我原来是制备了氧化石墨,突然导师总是说是氧化石墨烯,我也有点混乱了。可以列出一些这方面的参考文献给我研究看看。
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