Liesegang rings


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Lie·se·gang rings

(lē'sĕ-gahng),
colored rings of precipitated silver chromate formed when a drop of concentrated silver nitrate is added to the surface of a gel (such as gelatin, agar, or silica gel) containing potassium dichromate.

Liesegang,

Ralph E., German chemist, 1869-1947.
Liesegang rings - colored rings of precipitated silver chromate formed when a drop of concentrated silver nitrate is added to the surface of a gel containing potassium dichromate.