Nonionic surfactant, Triton X-100 was analysed using RSpak DS-413 (a column for reversed phase chromatography).
Sample : Triton X-100 0.5%, 50µL
Column : Shodex RSpak DS-413 (4.6mmID*150mm)
Eluent : CH3CN/THF/H2O=20/20/60
Flow rate : 0.6mL/min
Detector : UV (254nm)
Column temp. : 40°C