Title: Analysis of kanamycin sulfate by liquid chromatography with pulsed electrochemical detection
Authors: Adams, Erwin ×
Dalle, J
De Bie, E
De Smedt, I
Roets, Eugene
Hoogmartens, Jos #
Issue Date: Apr-1997
Series Title: Journal of Chromatography A vol:766 issue:1-2 pages:133-9
Abstract: The analysis of kanamycin sulfate by liquid chromatography using a column packed with poly(styrene-divinylbenzene) and pulsed electrochemical detection on a gold electrode is described. A two-step gradient was necessary to obtain a good separation together with a reasonable analysis time of maximum 45 min. The mobile phases consisted of an aqueous solution of 20 g/l or 60 g/l sodium sulfate, 1.3 g/l sodium octanesulfonate and 50 ml/l 0.2 M phosphate buffer pH 3.0. Sodium hydroxide was added post-column. The influence of the different chromatographic parameters on the separation was investigated. A number of commercial samples were analyzed using this method. Besides the previously reported impurities, such as kanamycins B and C, two other impurities were separated, one of which is called kanamycin D. In total, eight components were separated.
ISSN: 0021-9673
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Pharmaceutical Analysis
× corresponding author
# (joint) last author

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