Definition of chromatography in English:

Share this entry

chromatography

Pronunciation: /ˌkrəʊməˈtɒɡrəfi/

noun

[mass noun] Chemistry
A technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
Example sentences
  • Amino acid analyses were carried out by ion exchange chromatography on sulphonated polystyrene resin linked to divinyl benzene.
  • Using high pressure liquid chromatography, the alkaloids can be purified and crystallized.
  • If the stationary phase is solid, the separation process is called adsorption chromatography.

Derivatives

chromatographic

Pronunciation: /ˌkrəʊmətə(ʊ)ˈɡrafɪk/
adjective
Example sentences
  • Once the structure of an organic species has been identified, the presence of the molecule in other samples can be detected by using spectroscopic patterns or chromatographic characteristics of the compound.
  • During this time he developed a simple chromatographic assay for imidazole compounds accumulating in histidine-requiring Neurospora mutants, which allowed him to deduce much of the histidine biosynthetic pathway.
  • Modern methods for measuring molecular weight include chromatographic methods and mass spectrometry.

Origin

1930s: from German Chromatographie (see chromato-, -graphy), early separations being displayed as a number of coloured bands or spots.

Words that rhyme with chromatography

autobiography, bibliography, biography, cardiography, cartography, chirography, choreography, cinematography, cosmography, cryptography, demography, discography, filmography, geography, hagiography, historiography, hydrography, iconography, lexicography, lithography, oceanography, orthography, palaeography (US paleography), photography, radiography, reprography, stenography, topography, typography

For editors and proofreaders

Line breaks: chro¦ma|tog¦raphy

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.