Column : Shodex AFpak AAV-894 (8.0mmID*50mm) Eluent : (A); 0.01M Sodium acetate buffer(pH7.0) + 0.15M NaCl (B); 0.1M Acetic acid/Isopropanol=50/50 Step gradient: (A) to (B) Flow rate : 1.0mL/min Detector : UV(260nm) Column temp. : Room temp.