
(from the article `dating`) Once dissolved, the sample is ready for the chemical separation of the dating elements. This is generally achieved by using the methods of ... Ion-exchange chromatography (IEC) is a subdivision of liquid-solid chromatography, but its importance is such that it deserves special mention. As ... ...(cation ex...
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http://www.britannica.com/eb/a-z/i/36

<procedure> Separation of molecules by absorption and desorption from charged polymers. An important technique for protein purification. ... For small molecules the support is usually polystyrene, but for macromolecules, cellulose, acrylamide or agarose supports give less non-specific absorption and denaturation. Typical charged residues are ...
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that utilizing ion exchange resins, to which are coupled either cations or anions that will exchange with other cations or anions in the material passed through their meshwork.
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Separation of molecules by absorption and desorption from charged polymers. An important technique for protein purification. For small molecules the support is usually polystyrene, but for macromolecules, cellulose, acrylamide or agarose supports give less nonspecific absorption and denaturation. Typical charged residues are CM (carboxymethyl) or DEAE (diethylaminoethyl).
...
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Type: Term Definitions: 1. in which cations or anions in the mobile phase are separated by electrostatic interactions with the stationary phase.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=17391
No exact match found.