Results: The CZE approach for seperation of ketoprofen enantiomers was successfully developed using 30 mM phosphate buffer pH 6 containing 0.1% mono-6-amino-6-deoxy-β-CD and 20% methanol, 25oC, 25 kV, injection 5 s at 50 mbar; levofloxacin 50 µg / ml as IS.