Xylenols
Xylenols were analyzed using RSpak 
RP18-413 (a column for reversed phase chromatography).

Sample : 200micro-g/mL each, 20micro-L
1. 3,4-
Xylenol
2. 3,5-
Xylenol
3. 2,3-
Xylenol
4. 2,6-
Xylenol
Column       : Shodex RSpak RP18-413 (4.6mmID*150mm)
Eluent       : THF/H2O=35/65
Flow rate    : 0.5mL/min
Detector     : UV(254nm)
Column temp. : 50deg-C