Table 2
GC/MS condition

GC/MS Condition
Instrument Agilent 6890N JMS-600W Mass spectrometer
Column HP-5MS Column (30 mm×0.25 mm×0.25 μL)
Injector temperature 250℃
Detector temperature 280℃
Oven temperature 50℃    2 min
50-280℃ (5/min)
280℃   2min
Ionization voltage 70 eV
Carrier gas He