ABSTRACI'Abrief review of charge-transfer (Cf..;) ehrCI!Iatography is presented.Hydrophilie gels such as Sephadex exhibit weak electron acceptor and donor prCiperties due to the presence of matrix hydroxyls or matrix-bound water.Stronger cr-adsorbents for chromatography in aqueous solutions are obtained by introduction of electron acceptor or donor substi tuents.The adsorption properties of such gels are discussed with reference to results obtained with simple model substances such as amino acids and peptides for acceptor adsorbents and nucleotides for donor adsorbents.tetal chelate adsorption (ligand exchange) , is considered as a special kind of Cf-adsorption with great potential for group separation according to differential metal ion affinity of the solutes.
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Jerker O. Porath (1979) studied this question.
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