Alkylbenzenes and naphtalene were analyzed using a reversed phase column, RSpak DE-413.
1. Benzene
2.Toluene
3.Ethylbenzene
4.n-Propylbenzene
5.Naphthalene
Columns : Shodex RSpak DE-413 (4.6mmID*150mm), ODS column (other manufacturer) Eluent : CH3CN/H2O=50/50 Flow rate : 1.0mL/min Detector : UV(254nm) Column temp. : 30°C