Carboxymethylcellulose was analyzed using OHpak SB-806M HQ (a column for GFC separation).
Sample : 0.1% Carboxymethylcellulose 145cp (CMC), 200µL
Columns : Shodex OHpak SB-806M HQ (8.0mmID*300mm) x 2
Eluent : 0.1M NaCl aq.
Flow rate : 1.0mL/min
Detector : Shodex RI
Column temp. : 40°C