Title: Quantitative analysis of erythromycin by reversed-phase liquid chromatography using column-switching
Authors: Cachet, T ×
De Turck, K
Roets, Eugene
Hoogmartens, Jos #
Issue Date: Jan-1991
Series Title: Journal of pharmaceutical and biomedical analysis vol:9 issue:7 pages:547-55
Abstract: A column-switching technique is described for LC of erythromycin. The method allows, in about 1 h, the separation of erythromycin A from all its known potential impurities, except erythromycin D, which is a minor impurity. The switching technique combines two columns (7.5 cm x 4.6 mm and 25.0 cm x 4.6 mm) both packed with RSil C 18 LL 10 microns. The mobile phase is acetonitrile-tetrabutylammonium sulphate (0.2 M, pH 6.0)-ammonium phosphate buffer (0.2 M, pH 6.0)-water (24:5:5:66, v/v/v/v). Temperature was 35 degrees C, flow rate was 1.5 ml min-1, detection was by UV at 210 nm. Results for a number of commercial samples of various origin are reported.
ISSN: 0731-7085
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Pharmaceutical Analysis
× corresponding author
# (joint) last author

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