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paper chromatography

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chro⋅ma⋅tog⋅ra⋅phy

[kroh-muh-tog-ruh-fee]
–noun Chemistry.
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 gel.

Origin:
1725–35; chromato- + -graphy


chro⋅ma⋅tog⋅ra⋅pher, noun
chro⋅mat⋅o⋅graph⋅ic [kruh-mat-uh-graf-ik, kroh-muh-tuh-] , adjective
chro⋅ma⋅to⋅graph⋅i⋅cal⋅ly, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: chro·ma·tog·ra·phy
Pronunciation: "krO-m&-'täg-r&-fE
Function: noun
Inflected Form: plural -phies
: a process in which a chemical mixture carried by a liquid or gas is separated into components as a result of differential distribution of the solutes as they flow around orover a stationary liquid or solid phase —see AFFINITY CHROMATOGRAPHY, COCHROMATOGRAPHY, COLUMNCHROMATOGRAPHY, ELECTROCHROMATOGRAPHY, GAS CHROMATOGRAPHY, GAS-LIQUID CHROMATOGRAPHY GEL FILTRATION, HIGH-PERFORMANCELIQUID CHROMATOGRAPHY ION-EXCHANGE CHROMATOGRAPHY LIQUID CHROMATOGRAPHY, PAPERCHROMATOGRAPHY, PARTITION CHROMATOGRAPHY, RADIOCHROMATOGRAPHY, THIN-LAYERCHROMATOGRAPHYchro·mato·graph·ic /krO-"mat-&-'graf-ik, kr&-/ adjectivechro·mato·graph·i·cal·ly /-i-k(&-)lE/ adverb

Main Entry: paper chromatography
Function: noun
: chromatography that uses paper strips or sheets as the adsorbent stationary phase through which a solution flows and isused especially to separate amino acids —compare COLUMN CHROMATOGRAPHY, THIN-LAYER CHROMATOGRAPHY
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

chromatography chro·ma·tog·ra·phy (krō'mə-tŏg'rə-fē)
n.
Any of various techniques for the separation of complex mixtures that rely on the differential affinities of substances for a gas or liquid mobile medium and for a stationary adsorbing medium through which they pass, such as paper, gelatin, or magnesia. Also called absorption chromatography.


chro'ma·tog'ra·pher n.

paper chromatography pa·per chromatography (pā'pər)
n.
A form of partition chromatography in which the moving phase is a liquid and the stationary phase is paper.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
chromatography   (krō'mə-tŏg'rə-fē)  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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