Riser Pipe Oil from Deepwater Horizon Oil Spill on Rxi-17Sil and Rxi-1HT (GCxGC-TOFMS)

Injection
Column	Rxi-17Sil MS 60 m, 0.25 mm ID, 0.10 µm (cat.# custom)
	Rxi-1HT 1 m, 0.25 mm ID, 0.10 µm (cat.# 13950)

Standard/Sample	Riser pipe oil from Deepwater Horizon oil spill
	SV internal standard mix (5 ng/µL) (cat.# 31206)
Diluent:	Methylene chloride
Conc.:	10 mg/mL
Inj. Vol.:	1.0 µL split (split ratio 10:1)
Liner:	Premium 4 mm Precision liner w/wool (cat.# 23305.5)
Inj. Temp.:	275 °C
Oven
Oven Temp.:	Rxi-17Sil MS: 40 °C (hold 1 min) to 320 °C at 2.5 °C/min (hold 7 min) Rxi-1HT: 45 °C (hold 1 min) to 325 °C at 2.5 °C/min (hold 7 min)
Carrier Gas	He, corrected constant flow (1 mL/min)
Modulation
Modulator Temp. Offset:	20 °C
Second Dimension Separation Time:	2.8 sec
Hot Pulse Time:	1.0 sec
Cool Time between Stages:	0.4 sec

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