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Chromatography of aromatic acids and aldehydes and phenols on cross-linked polyvinylpyrrolidone

Authors
Journal
Journal of Chromatography A
0021-9673
Publisher
Elsevier
Publication Date
Volume
93
Issue
1
Identifiers
DOI: 10.1016/s0021-9673(00)83030-7

Abstract

Abstract Aromatic compounds containing hydroxyl and carboxyl groups are retained in aqueous medium by cross-linked polyvinylpyrrolidone due to hydrogen bonding, with the resin serving as a proton acceptor. Efficient separations were obtained in 0.001 M hydrochloric acid. With substances containing seveal proton-donating groups, improved results were obtained by using a more efficient eluent, e.g., 5 M acetic acid.

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