Detailed Analysis of Polycyclic Aromatic Hydrocarbons (PAHs) in Creosote Oil on Rxi-PAH

Injection
Column	Rxi-PAH, 60 m, 0.25 mm ID, 0.10 µm (cat.# 49317)
Standard/Sample	Creosote oil standard (cat.# 31838)
Diluent:	Dichloromethane
Conc.:	50,000 µg/mL
Inj. Vol.:	1 µL split (split ratio 40:1)
Liner:	Premium 4 mm Precision liner w/wool (cat.# 23305.5)
Inj. Temp.:	275 °C
Split Vent Flow Rate:	78 mL/min
Oven
Oven Temp.:	40 °C (hold 1.6 min) to 210 °C at 24 °C/min to 295 °C at 1.9 °C/min to 350 °C at 3.7 °C/min (hold 6 min)
Carrier Gas	He, constant flow
Flow Rate:	1.95 mL/min

Detector

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	3.4	35-450	3.5
2	25	35-450	1.8

Transfer Line Temp.:

330 °C

Analyzer Type:

Quadrupole

Source Type:

Extractor

Extractor Lens:

9mm ID

Source Temp.:

350 °C

Quad Temp.:

200 °C

Electron Energy:

70 eV

Solvent Delay Time:

3.4 min

Instrument

Agilent 7890B GC & 5977A MSD

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