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learner5310

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[交流] 【求助】纳米管怎样纯化

多碳纳米管怎么纯化?
给点详细的步骤,谢谢。5金币奖励
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不怕神一样的敌人,就怕SB一样的队友!
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yangjiayun

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小木虫(金币+0.5):给个红包,谢谢回帖交流
jason168(金币+1,VIP+0):鼓励交流 6-2 22:57
应该是多壁碳纳米管吧,常用的方法可以用强酸(浓硝酸)酸化,这样不但可以纯化碳管,还可以起到分散碳管的作用。但是在强酸酸化过程,有可能会将碳管打断,造成碳管管长变小!
2楼2009-06-02 22:15:36
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yuan0019

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我是这么做的。
purified with a combination of thermal oxidation and acid treatment. Typically, MWNTs (1g) were heated in a furnace to 350°C for 2h to remove amorphous carbon and then the remaining sample was refluxed in concentrated hydrochloric acid (HCl) for 24h to remove the metal catalyst. After filtration, the remaining solids were washed repeatedly, to neutral pH, with deionized water and dried under vacuum.
3楼2009-06-06 15:22:54
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