Poly(ethylene oxide) and poly(ethylene glycol) standards were analyzed using OHpak SB-804 HQ, a column for aqueous SEC (GFC).
Sample :
1. PEO, Poly(ethylene oxide) (MW: 594,000)
2. PEO, Poly(ethylene oxide) (MW: 145,000)
3. PEO, Poly(ethylene oxide) (MW: 73,000)
4. PEO, Poly(ethylene oxide) (MW: 40,000)
5. PEO, Poly(ethylene oxide) (MW: 18,000)
6. PEG, Poly(ethylene glycol) (MW: 3,000)
7. PEG, Poly(ethylene glycol) (MW: 600)
8. EG, Ethylene glycol (MW: 62)
Columns : Shodex OHpak SB-804 HQ (8.0mmI.D. x 300mm) x 2 Eluent : 0.02% NaN3 aq. Flow rate : 1.0mL/min Detector : Shodex RI Column temp. : 30°C