GC-MS operating conditions
The injection mode: split was set to a 3:1 ratio. The following GC
oven temperature was applied: initial oven temperature was set at
50 C and held for 1 min. The oven temperaturewas then increased
to 200 C at a rate of 10 C min1 which was held for 10 min. The
injector temperature was at 200 C and a constant flow rate of
1.0 mL min1 (UHP helium).