chromatography

[kroh-muh-tog-ruh-fee]

chromatography Definition

  • 1a laboratory technique for the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates
  • 2the separation of chemical substances by differential movement through a two-phase system

Using chromatography: Examples

Take a moment to familiarize yourself with how "chromatography" can be used in various situations through the following examples!

  • Example

    Chromatography is used to separate and identify the components of a mixture.

  • Example

    Gas chromatography is commonly used in forensic science.

  • Example

    Paper chromatography is a simple form of chromatography that is often used in schools.

chromatography Synonyms and Antonyms

Synonyms for chromatography

Phrases with chromatography

  • a method of separating and purifying chemical compounds based on their differing affinities for a stationary solid phase and a mobile liquid phase

    Example

    Column chromatography is a widely used purification technique in biochemistry.

  • thin-layer chromatography

    a chromatographic technique in which a liquid sample is applied to a glass plate coated with a thin layer of a finely divided adsorbent (as silica gel or alumina), which separates into colored components as it is carried across the plate by a moving solvent

    Example

    Thin-layer chromatography is a quick and easy way to analyze complex mixtures.

  • a technique for separating dissolved substances from one another by drawing them up a piece of absorbent paper

    Example

    Paper chromatography is used to separate the pigments in plant leaves.

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Summary: chromatography in Brief

Chromatography [kroh-muh-tog-ruh-fee] is a laboratory technique used to separate a mixture by passing it through a medium in which the components move at different rates. It is commonly used to separate and identify the components of a mixture, such as in gas chromatography, paper chromatography, and thin-layer chromatography. Chromatography is also used in column chromatography, a widely used purification technique in biochemistry.