Gas chromatography analysis was carried out using Agilent Technologies 6890 N network GC
system, equipped with a Agilent Technologies 7683 series auto sampler, Mass selective detector
Model 5973 network, and a glass capillary DB-5, ID: 0.32 mm, length: 30 m, film thickness:
0.25 μm; packed with non-polar polymer [(5%-phenyl)-methylpolysiloxane] (J & W Scientific
122-5532, USA).; a helium carrier gas flow. 1.0 ml/min; injection temperature 280°C; transfer
line temperature 300°C, ion source temperature 230°C, MS Quard temperature 150°C; ion mode
electron ionization mode (scan mode/SIM mode); oven temperature program 50°C for 5min, @
10°C/min to 180°C, post run: 280°C held for 2 min (total run time: 18 min); Splitless injection at a volume of 1 μl by auto sampler.
Gas chromatography analysis was carried out using Agilent Technologies 6890 N network GCsystem, equipped with a Agilent Technologies 7683 series auto sampler, Mass selective detectorModel 5973 network, and a glass capillary DB-5, ID: 0.32 mm, length: 30 m, film thickness:0.25 μm; packed with non-polar polymer [(5%-phenyl)-methylpolysiloxane] (J & W Scientific122-5532, USA).; a helium carrier gas flow. 1.0 ml/min; injection temperature 280°C; transferline temperature 300°C, ion source temperature 230°C, MS Quard temperature 150°C; ion modeelectron ionization mode (scan mode/SIM mode); oven temperature program 50°C for 5min, @10°C/min to 180°C, post run: 280°C held for 2 min (total run time: 18 min); Splitless injection at a volume of 1 μl by auto sampler.
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