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We have synthetized an optically active macromolecular chromatographic packing from cross‐linked polyacrylamide grafted with an optically active α‐amino acid. This packing, in the form of small beads, slightly swells in water. Its granularity, porosity and rigidity are suitable for high pressure liquid chromatography. Such packings, complexed by a metallic ion, are efficient for the resolution of many underivatized racemic α‐amino acids by elution with water. As an example, on one of these packings, containing Cu++ions, enantiomers of valine, threonine, isoleucine, serine, phenylalanine, tyrosine, tryptophan, and asparagine are completely resolved in less than one hour.
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Lefebvre et al. (1976) studied this question.
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