Comparison of Calibration Curves for KD-800 Series and SB-800 HQ Series 
    (DMF Eluent)
Calibration curves for GPC 
KD-800 series and OHpak 
SB-800 HQseries are shown. 
Compared with the KD-800 columns, the SB-800 HQ columns perform better over a low molecular weight range.
 
Sample : 
PEO, Poly(ethylene oxide)
PEG, Poly(ethylene glycol)
Columns      : Shodex OHpak SB-805 HQ + SB-802.5 HQ (8.0mmID*300mm each)
               Shodex GPC KD-805 + KD-802.5 (8.0mmID*300mm each)
Eluent       : DMF
Column temp. : 40deg-C