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Analytical separation of amino acids on a cation-exchange resin cross-linked with m-divinylbenzene

โœ Scribed by Jan Rahm

Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
494 KB
Volume
115
Category
Article
ISSN
1873-3778

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โœฆ Synopsis

The elution bands of acidic and neutral amino acids of protein hydrolysates, emerging from the column of a cation-exchange resin cross-linked with pure m-divinylbenzene, are narrower than those from a resin prepared from styrene and technical divinylbenzene. As a result of these narrower bands, a more complete resolution of the critical pairs threonine-serine, glycine-alanine and tyrosine-phenylalanine is obtained. The most probable reason for the narrower elution peaks is the more rapid diffusion of the exchanged components through the bulk of the resin as a result of a more regular arrangement of cross-linkages in the cation-exchange resin prepared from m-divinylbenzene.

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Effect of cross-linking of a sulphonic c
Effect of cross-linking of a sulphonic cation-exchange resin and effect of temperature on the chromatographic separation of isomers of dinitrobenzene
โœ Jan Chmielowiec; Wiktor Kemula ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 318 KB

The effect of resin cross-linking and temperature on the elution of the o-, mand p-isomers of dinitrobenzene from a chromatographic column was investigated. It was found that longitudinal diffusion in the resin phase affects the total plate height. An example of the separation of isomers of dinitrob