Comparison of Separation: Linear Type and Conventional Type (1)
The linear type column, GPC 
KF-804L, can separate PS(MW: 
580) (peak 7) better than the conventional column, 
KF-804.
Sample : 
1. 
PS, Polystyrene (MW: 501,000)
2. 
PS, Polystyrene (MW: 156,000)
3. 
PS, Polystyrene (MW: 66,000)
4. 
PS, Polystyrene (MW: 21,900)
5. 
PS, Polystyrene (MW: 7,000)
6. 
PS, Polystyrene (MW: 2,450)
7. 
PS, Polystyrene (MW: 580)
8. 
Ethylbenzene (MW: 106)
Columns      : Shodex GPC KF-804L x 2  : Shodex GPC KF-804 x 2 (8.0mmID*300mm each)
Eluent       : THF                     : THF
Flow rate    : 1.0mL/min               : 1.0mL/min
Detector     : UV(254nm)               : UV(254nm)
Column temp. : Room temp.              : Room temp.