Columns : (A), (B); Shodex Asahipak GS-220 HQ x 1, (C); GS-220 HQ x 2 (7.5mmID*300mm each) Eluent : H2O Flow rate : (A); 0.5mL/min, (B); 0.2mL/min, (C); 0.3mL/min Detector : Shodex RI Column temp. : 60℃