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wxqdelphi

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[求助] 关于10um颗粒的SEM剖面分析-如何切出很平整的平面?

颗粒是大小10um的过渡金属氧化物,想分析是否形成了核壳结构,实验室没有专业的切刀,只能用砂纸磨,针对10um的颗粒,多少目的砂纸比较合适呢?各位前辈有什么好的建议吗?比如用小刀切?

我现在打算先将颗粒放到水晶王里,然后快速搅拌让它尽量分散开,然后再滴入固化剂,不知道这样是否能得到分散很好的样品,如果样品都团聚在一起,应该也很难看出漂亮的剖面吧?
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