丁达尔效应

in cn •  7 days ago 

丁达尔效应（Tyndall effect，又称丁达尔现象）是胶体分散系的一种重要的光学性质，广泛用于胶体鉴别实验。当一束光透过胶体时可以观察到胶体里出现一条明亮的“通路”，例如：激光笔照射 Fe(OH)3胶体溶液时出现的光路、雾中汽车大灯前明亮的光路等。这类现象被称作丁达尔效应。

cn
7 days ago by

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