The chromatographic behavior and thermodynamic characteristics of adsorption of profen enantiomers on silica gel with grafted eremomycin antibiotic

The chromatographic retention and thermodynamic characteristics of adsorption of several derivatives of 2-arylpropanoic acid on a chiral stationary phase with a grafted eremomycin antibiotic under the conditions of liquid chromatography with water-ethanol mobile phases were studied. The dependences...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2009-04, Vol.83 (4), p.547-551
Main Authors: Reshetova, E. N., Asnin, L. D.
Format: Article
Language:English
Subjects:
All-Russia Symposium “Chromatography and Chromato-Mass Spectrometry”
Chemistry
Chemistry and Materials Science
Physical Chemistry
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Summary:The chromatographic retention and thermodynamic characteristics of adsorption of several derivatives of 2-arylpropanoic acid on a chiral stationary phase with a grafted eremomycin antibiotic under the conditions of liquid chromatography with water-ethanol mobile phases were studied. The dependences of retention characteristics and selectivity on eluent pH were revealed. The difference between the adsorption mechanisms of acids with one and two benzene rings was demonstrated. Compensation effect manifestations in these systems are discussed.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024409040062