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Missouri University of Science and Technology
<p>Crystallization<br />Precipitation (Chemistry)<br />Solubility</p>
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Liesegang Rings, Robert Edward Young
Liesegang Rings, Robert Edward Young
Masters Theses
"Although the discovery of the "Liesegang Rings" phenomenon was made sometime before 1855 little was done in the way of study or experimentation until 1896 when R. E. Liesegang discovered that if a crystal or strong solution of silver nitrate is added to a gelatin gel containing dilute potassium chromate, the resulting precipitate of silver chromate is not continuous, as might be expected, but forms a discontinuous periodic pattern. This pattern follows a geometric progression law, xn = akn, where xn is the position of the nth ring, and a and k are constants. K …