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Template:Motd/2015-05-17 (en)

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Liesegang band experiment. Red material is gelatin with Mg sulfate and a drop of red food coloring; clear material above it is concentrated ammonium hydroxide. Diffusion of NH4OH into the gelatin causes discontinuous precipitation of Mg hydroxide

This is the English translation of the Media of the day description page from 17 May 2015.

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