Lorazepam
Lorazepam was analyzed using ORpak
CDBS-453 (a column
for chiral separation).
Sample :
Lorazepam
Column : Shodex ORpak CDBS-453 (4.6mmID*150mm)
Eluent : 20% CH3CN + 80%(1% CH3COOH + 0.2M NaCl) in H2O
Flow rate : 0.5mL/min
Detector : UV(254nm)
Column temp. : 15deg-C