Description: A light beam is passed through a suspension of small particles, made either by mixing acid and thiosulfate or by adding milk to water. The transmitted light is reddish in color, scattered light is bluish.

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Source: Shakhashiri, B.Z. Chemical Demonstrations: A Handbook for Teachers of Chemistry

Year or vol: 3 page: 353

Keywords: Sols, Tyndall Effect, Sunset, Light-scattering