Title: Analysis of spectinomycin by liquid chromatography with pulsed electrochemical detection
Authors: Debremaeker, D ×
Adams, Erwin
Nadal, E
Van Hove, B
Roets, Eugene
Hoogmartens, Jos #
Issue Date: Apr-2002
Series Title: Journal of Chromatography A vol:953 issue:1-2 pages:123-32
Abstract: Until now, no LC method is described to determine the purity and content of spectinomycin without prior derivatization. A reversed-phase ion-pair LC method using a base deactivated column and pulsed electrochemical detection is described. The mobile phase consisted of an aqueous solution containing 5.8 g/l pentafluoropropionic acid, 1.25 g/l potassium dihydrogen phosphate and 5.5 ml/l tetrahydrofuran. The pH was adjusted to 6.25 using dilute NaOH solution. An experimental design was used to optimize the chromatographic parameters and to check the robustness. The quality of separation was investigated on different stationary phases. The method allows the separation of spectinomycin from its related substances as well as some other components of unknown identity. The total time of analysis is 65 min. A number of commercial samples were examined using this method.
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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