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.
Read more about Liesegang Rings: History, Silver Nitrate Potassium Dichromate Reaction, Some General Observations, Theories
Famous quotes containing the word rings:
“The next time the novelist rings the bell I will not stir though the meeting-house burn down.”
—Henry David Thoreau (1817–1862)