Poly(ethylene imine) was analyzed using OHpak SB-804 HQ and SB-803 HQ, columns for aqueous SEC (GFC).
Sample : Poly(ethylene imine)
Columns : Shodex OHpak SB-G 6B (6.0mmI.D. x 50mm)
+ SB-804 HQ + SB-803 HQ (8.0mmI.D. x 300mm each)
Eluent : 0.5M Acetic acid + 0.5M Sodium acetate aq.
Flow rate : 1.0mL/min
Detector : Shodex RI
Column temp. : Room temp.
