Table 1 Parameter values for HS GC/FID

Carrier gas

Nitrogen

Nitrogen cylinders

Column:

Capillary column of the Restek Corporation (J & W RTX-BAC1 Model)

Dimensions = 30 m * 530 μm * 3 μm

Flow = 1.5 ml/min

Pressure = 1.2 psi

Detector:

FID

Heater = 250 °C

H₂ Flow = 40 ml/min

Air Flow = 400 ml/min

Oven:

Gradient

Initial temperature = 60 °C

Hold time = 5 min

Rate = 10 °C

Final temperature = 130 °C

Run time = 12 min

Inlet:

Temperature = 90 °C

Total flow = 79.5 ml/min

Septum Purge Flow = 3 ml/min

Gas Saver = on

Injector

Headspace split (1:20)

200 °C

Headspace:

Zone temperature = 40 °C

Event time = 15 min