Dictionary![]() ![]() chro•ma•tog•ra•phyPronunciation: (krō"mu-tog'ru-fē), [key] —n. Chem. the separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica (column chromatography) or a strip of filter paper (paper chromatography) or by a gel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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