Poly(ethylene glycol) standards were analyzed using Asahipak GS-220 HQ (a column for multimode).
Sample: 20μL
1. 0.1% PEG, Poly(ethylene glycol) (MW: 4,000)
2. 0.1% PEG, Poly(ethylene glycol) (MW: 1,000)
3. 0.2% PEG, Poly(ethylene glycol) (MW: 400)
4. 0.1% EG, Ethylene glycol (MW: 62)
Columns : Shodex Asahipak GS-220 HQ (7.5mmI.D. x 300mm) x 2 Eluent : H2O Flow rate : 0.6mL/min Detector : Shodex RI Column temp. : 60°C