column chromatography

noun Chemistry.

See under chromatography.

Words nearby column chromatography

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Definition for column chromatography (2 of 2)

chromatography
[ kroh-muh-tog-ruh-fee ]
/ ˌkroʊ məˈtɒg rə fi /

noun Chemistry.

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.

Origin of chromatography

First recorded in 1725–35; chromato- + -graphy

OTHER WORDS FROM chromatography

chro·ma·tog·ra·pher, noun chro·mat·o·graph·ic [kruh-mat-uh-graf-ik, kroh-muh-tuh-] /krəˌmæt əˈgræf ɪk, ˌkroʊ mə tə-/, adjective chro·ma·to·graph·i·cal·ly, adverb

British Dictionary definitions for column chromatography

chromatography
/ (ˌkrəʊməˈtɒɡrəfɪ) /

noun

the technique of separating and analysing the components of a mixture of liquids or gases by selective adsorption in, for example, a column of powder (column chromatography) or on a strip of paper (paper chromatography) See also gas chromatography

Derived forms of chromatography

chromatographer, noun chromatographic (ˌkrəʊmətəˈɡræfɪk), adjective chromatographically, adverb

Medical definitions for column chromatography (1 of 2)

chromatography
[ krō′mə-tŏg′rə-fē ]

n.

Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia. absorption chromatography

Other words from chromatography

chro′ma•tog′ra•pher n.

Medical definitions for column chromatography (2 of 2)

column chromatography

n.

A form of partition chromatography in which a liquid phase flows down a column packed with a solid phase.

Scientific definitions for column chromatography

chromatography
[ krō′mə-tŏg′rə-fē ]

A technique used to separate the components of a chemical mixture by moving the mixture along a stationary material, such as gelatin. Different components of the mixture are caught by the material at different rates and form isolated bands that can then be analyzed.