Columns : Shodex GPC HFIP-G (4.6mmID*10mm) + HFIP-606M (6.0mmID*150mm) x 2 Eluent : 5mM CF3COONa in HFIP Flow rate : 0.6mL/min Detector : Shodex RI(small cell volume) Column temp. : 40℃