Columns : Shodex Asahipak GS-320 7G (7.5mmID*500mm), ODS column (6.0mmID*150mm) Eluent : 10mM Sodium phosphate buffer(pH2.5 to 10) Flow rate : 1.0mL/min (GS-320 7G), 0.6mL/min (ODS column) Detector : UV(260nm) Column temp. : 30℃