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银虫 (小有名气)

[求助] 请问有做过四氧化三铁纳米粒子表面coat NH2 或者PAA的吗? 已有1人参与

我按照li yadong组的方法做四氧化三铁表面coat氨基,但是FTIR结果不好,在3000多看不见N-H,而且峰也很小,请高手指点一下,谢谢!
PAA我用的是固体的,称量时感觉特别容易吸水(或者是溶化了?),请问有可能是这个原因吗?
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【答案】应助回帖

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fanshot: 金币+50, ★有帮助 2014-05-28 01:20:17
测zeta电位,判断氨基是否接上去
2楼2014-05-27 08:45:31
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