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gas chromatography

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gas chromatograph

–noun Chemistry.
a chromatograph used for the separation of volatile substances.

Origin:
1950–55


gas chromatography, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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gas chromatography  
n.  Chromatography in which the substance to be separated into its components is diffused along with a carrier gas through a liquid or solid adsorbent for differential adsorption.
gas'-chro·mat'o·graph'ic (gās'krō-māt'ə-grāf'ĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: gas chromatograph
Function: noun
: an instrument used to separate a sample into components in gas chromatography

Main Entry: gas chromatography
Function: noun
: chromatography in which the sample mixture is vaporized and injected into a stream of carrier gas (as nitrogen or helium)moving through a column containing a stationary phase composed of a liquid or a particulate solid and is separated into its component compounds according to the affinity of the compounds for thestationary phase —abbreviation GC —compare COLUMN CHROMATOGRAPHY, GAS-LIQUID CHROMATOGRAPHY THIN-LAYER CHROMATOGRAPHYgas chromatographic adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

gas chromatography n.
Chromatographic process in which a mixture of gases or vapors are separated by their differential adsorption by a stationary phase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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