Liesegang phenomenon

Liesegang phenomenon
the peculiar periodic formation of a precipitate in concentric banded rings, waves, or spirals when two electrolytes diffuse into and meet in a colloid gel.

Medical dictionary. 2011.

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  • Liesegang phenomenon (striae waves) — Lie·se·gang phenomenon (striae, waves) (leґzə gahng) [Raphael Eduard Liesegang, German chemist, 1869–1947] see under phenomenon …   Medical dictionary

  • Liesegang rings — 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. HistoryThe phenomenon was first noted over one hundred years ago (in… …   Wikipedia

  • Liesegang rings — Lie·se·gang rings lē zə .gäŋ n pl a series of usu. concentric bands of a precipitate that are separated by clear spaces and that are often formed in gels by periodic or rhythmic precipitation called also Liesegang phenomenon Liesegang Raphael… …   Medical dictionary

  • Liesegang striae — see under phenomenon …   Medical dictionary

  • Liesegang waves — see under phenomenon …   Medical dictionary

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