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Pharmaceutisch Weekblad

, Volume 8, Issue 1, pp 79–84 | Cite as

Quantitative determination of ofloxacin, ciprofloxacin, norfloxacin and pefloxacin in serum by high pressure liquid chromatography

  • A. J. N. Groeneveld
  • J. R. B. J. Brouwers
Original Articles

Abstract

A simple sensitive HPLC method for the analysis of ciprofloxacin, norfloxacin, ofloxacin and pefloxacin in serum is described. The quinolones were extracted using dichloromethane under neutral conditions, followed by drying under nitrogen and dissolving in mobile phase before Chromatographic analysis. The stationary phase consisted of a stainless steel column with Nucleosil C18 (5 μm), and a mobile phase of 0.04M phosphoric acid, tetrabutylammoniumiodide as ion-pairing reagent and methanol (pH 2.2). UV absorbance was used for detection. The method was shown to be linear, quantitative and reproducible in the therapeutic range of each of these quinolones. Serum levels of ofloxacin and ciprofloxacin were determined and compared to those found by a microbiological assay. Good correlation was found for the assay of ciprofloxacin as well as for ofloxacin.

Key words

Ciprofloxacin High pressure liquid chromatography Microbiological assay Norfloxacin Ofloxacin Pefloxacin 

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Copyright information

© Royal Dutch Association for Advancement of Pharmacy 1986

Authors and Affiliations

  • A. J. N. Groeneveld
    • 1
  • J. R. B. J. Brouwers
    • 2
  1. 1.Department of Pharmacology and PharmacotherapyState University of GroningenAW GroningenThe Netherlands
  2. 2.Department of Clinical PharmacyGeneral Hospital De TjongerschansPW HeereveenThe Netherlands

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