Analysis of Various Tween Type Surfactants (GF-210 HQ)

Various tween type surfactants were analyzed using Asahipak GF-210 HQ, an aqueous/organic (multi-solvent use) SEC column.

Sample : 20μL
1% each (in 50% CH₃CN)
Tween 20, Polyoxyethylene sorbitan monolaurate
Tween 40, Polyoxyethylene sorbitan monopalmitate
Tween 60, Polyoxyethylene sorbitan monostearate
Tween 80, Polyoxyethylene sorbitan monooleate

Column       : Shodex Asahipak GF-210 HQ (7.5mmI.D. x 300mm)
Eluent       : CH3CN/H2O=70/30
Flow rate    : 1.0mL/min
Detector     : Shodex RI
Column temp. : 40°C