Oxygenates on Rtx-VMS

Oven
Column	Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
Standard/Sample	South Carolina oxygenates mix
Injection	purge and trap split (split ratio 35:1)
Liner:	1mm Split (cat.# 20972-214.1)
Inj. Temp.:	200 °C
Purge and Trap
Instrument:	OI 4660 Eclipse Purge and Trap
Trap Type:	#10 (Tenax /silica gel/carbon molecular sieve)
Purge:	11 min, flow 40 mL/min
Desorb Preheat Temp.:	185 °C
Desorb:	0.5 min @ 190 °C, flow 35 mL/min
Bake:	8 min @ 210 °C
Interface Connection:	injection port
Transfer Line Temp.:	150 °C
Oven Temp.:	35 °C (hold 7 min) to 90 °C at 4 °C/min to 220 °C at 35 °C/min (hold 2 min)
Carrier Gas	He, constant flow
Linear Velocity:	34 cm/sec @ 40 °C

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