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词汇 Liesegang rings
分类 英语词汇 英语翻译词典
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Liesegang rings

英语百科

Liesegang rings

Liesegang rings - Silver-chromate precipitate pattern in a layer of gelatine
Some Liesegang Rings
Liesegang band experiment. Red material is gelatin with Mg sulfate (MgSO4) 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 ( Mg(OH)2
Liesegang rings of Magnesium hydroxide in Agar gel. Made by diffusing Ammonium hydroxide into an Agar gel containing Magnesium chloride.

Liesegang rings (/ˈlzəɡɑːŋ/) are a phenomenon seen in many, if not most, chemical systems undergoing a precipitation reaction, under certain conditions of concentration and in the absence of convection.

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