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