Columns : Shodex OHpak SB-806M HQ (8.0mmID*300mm) x 2 Eluent : 0.5M CH3COOH + 0.1M NaNO3 aq. Flow rate : 1.0mL/min Detector : Shodex RI, MALS(Multi Angle Laser Light Scattering) Column temp. : 40℃