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石墨专业知识拓展之石墨的混和结晶详细介绍

发布时间:2020-12-31 16:41:15 浏览:192次

   石墨是原素碳的一种同素异形体,每一氧原子的附近相互连接着此外三个氧原子(排序方法呈蜂窝式的好几个六边形)以共价键融合,组成共价分子结构。


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石墨模具|石墨棒|石墨坩埚

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    石墨牛牛彩票网结晶中高层与层中间间隔340pm,间距很大,要以范德华力结合在一起的,即层与层中间归属于分子晶体。可是,因为同一平面图层上的氧原子间融合很强,不易毁坏,因此石墨的溶点也很高,物理性质也平稳。


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