Comparison of Calibration Curves: Linear Type and Mixed Gel Type
GPC 
KF-806M and 
KF-806L are both packed 
with mixed type gel. However, compared with KF-806M, KF-806L which was developed 
recently has better linearity in the calibration curve.

Sample : 
PS, Polystyrene
Columns : Shodex GPC KF-806M, KF-806L (8.0mmID*300mm each)
Eluent  : THF