Xylenols were analyzed using RSpak DS-413 (a column for reversed phase chromatography).
Sample : 100µg/mL each, 20µL
1. 3,4-Xylenol
2. 3,5-Xylenol
3. 2,3-Xylenol
4. 2,6-Xylenol
Column : Shodex RSpak DS-413 (4.6mmID*150mm)
Eluent : CH3CN/H2O=35/65
Flow rate : 0.8mL/min
Detector : UV(254nm)
Column temp. : 40°C