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chromatography

[ kroh-muh-tog-ruh-fee ]

noun

, Chemistry.
  1. 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 liquid.


chromatography

/ ˌkrəʊmətəˈɡræfɪk; ˌkrəʊməˈtɒɡrəfɪ /

noun

  1. 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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


chromatography

/ krō′mə-tŏgrə-fē /

  1. 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.


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Derived Forms

  • ˌchromaˈtographer, noun
  • ˌchromatoˈgraphically, adverb
  • chromatographic, adjective
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Other Words From

  • chroma·togra·pher noun
  • chro·mat·o·graph·ic [kr, uh, -mat-, uh, -, graf, -ik, kroh-m, uh, -t, uh, -], adjective
  • chroma·to·graphi·cal·ly adverb
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Word History and Origins

Origin of chromatography1

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

Using gas chromatography and mass spectrometry, Nieh and colleagues identified hexanoic acid, octanoic acid and decanoic acid as key components of a queen’s sex pheromone.

The donors had avoided peanuts and tree nuts for a week, and their stool was analyzed by liquid chromatography and mass spectrometry to ensure it contained no traces of nut proteins, Rachid said.

Mr Field, in his Chromatography, has rendered a very great service to art.

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chromatographchromatology