This is a comparison of separation results obtained between two connected linear type columns (GPC KF-805L) and two connected conventional columns (KF-805 + KF-803). When different columns are connected, a shoulder appears, while no shoulder appears, when two of the same column type are connected.
Sample :
1. PS, Polystyrene (MW: 9,120,000)
2. PS, Polystyrene (MW: 1,100,000)
3. PS, Polystyrene (MW: 410,000)
4. PS, Polystyrene (MW: 128,000)
5. PS, Polystyrene (MW: 33,000)
6. PS, Polystyrene (MW: 10,200)
7. PS, Polystyrene (MW: 1,350)
8. n-Propylbenzene (MW: 120)
Columns : Shodex GPC KF-805L x 2 : Shodex GPC KF-805 + KF-803 (8.0mmI.D. x 300mm each) Eluent : THF : THF Flow rate : 1.0mL/min : 1.0mL/min Detector : Shodex RI : Shodex RI Column temp. : Room temp. : Room temp.
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