Analysis of Norfloxacin by HPLC

P / N Inertex C18, 5u 250 × 4.6mm
Chromatographic conditions:
Mobile phase: 0.025mol / L phosphoric acid solution (adjust pH to 3.0 ± 0.1 with triethylamine): acetonitrile = 81: 19
The 2000 edition of the Pharmacopoeia stipulates that the mobile phase ratio is 0.025mol / L phosphoric acid solution (adjust the pH value with triethylamine to
3.0 ± 0.1): Acetonitrile = 87: 13
Detection wavelength: 278nm Flow rate: 0.8ml / min

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