Adsorption of calcium and magnesium on a sandstone from a bicarbonate solution has been demonstrated. On elution with water saturated with carbon dioxide, the magnesium passes off first. The chromatographic separation of magnesium from calcium can thus occur under conditions which can prevail in nature.
Proceedings of the Iowa Academy of Science
©1965 Iowa Academy of Science, Inc.
Kemp, Paul J. and Diehl, Harvey
"Can Chromatography Occur in Nature?,"
Proceedings of the Iowa Academy of Science, 72(1), 150-160.
Available at: https://scholarworks.uni.edu/pias/vol72/iss1/25