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yhyys

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[交流] 关于羧基化、羟基化石墨烯的溶解性

最近在制备羧基化、羟基化石墨烯的悬浮液,浓度为5mg/L,用超声波细胞破碎仪破碎2h,在超生30min,仍有沉淀,羧基、羟基作为亲水基团出现这种现象很是疑惑,求助这个现象正常吗?分散于纯水中

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