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carrier gas

chemistry

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gas chromatography

  • elution chromatography
    In chromatography: Gas chromatography

    …the mobile phase, called the carrier gas, is subdivided into gas-solid chromatography and gas-liquid chromatography. The carrier gases used, such as helium, hydrogen, and nitrogen, have very weak intermolecular interactions with solutes. Molecular sieves are used in gas size-exclusion chromatography applied to gases of low molecular weight. Adsorption on

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