Zopiclone
Zopiclone was analyzed using ORpak 
CDBS-453 (a column 
for chiral separation).


Sample : 
Zopiclone
Column       : Shodex ORpak CDBS-453 (4.6mmID*150mm)
Eluent       : 10% CH3CN + 90% (1.1% CH3COOH + 0.2M NaCl) in H2O
Flow rate    : 0.5mL/min
Detector     : UV(254nm)
Column temp. : 10deg-C