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Select Polycyclic Aromatic Hydrocarbons (PAHs) on Rxi-PAH (30 m x 0.25 mm ID x 0.10 µm df )

ColumnRxi-PAH, 30 m, 0.25 mm ID, 0.10 µm (cat.# 49318)
SampleMethod 525.2 internal standard mix (cat.# 31825)
Triphenylene (CS S-13711U1)
Benzo[a]pyrene-d12 (CIL DLM-258-0)
Custom PAH SIM spike mix (cat.# 557484)
PAH native stock solution (Wellington PAH-STK-A)
PAH supplement mix for Method 8100 (cat.# 31857)
Diluent:Dichloromethane
Injection
Inj. Vol.:0.5 µL split (split ratio 10:1)
Liner:2 mm Precision liner w/deactivated wool (cat.# 20823)
Inj. Temp.:275 °C
Oven
Oven Temp.:110 °C (hold 0.57 min) to 175 °C at 65 °C/min to 210 °C at 45 °C/min to 295 °C at 5.3 °C/min to 350 °C at 35 °C/min (hold 5 min)
Carrier GasHe, constant flow
Flow Rate:2 mL/min
DetectorMS
Mode:SIM
SIM Program:
GroupStart Time
(min)
Ion(s) (m/z)Dwell (ms)
11.05102, 128 25
22.08115, 141, 142, 156 25
32.5875.9, 80, 82.3, 152, 153, 154, 155, 162, 165, 170 15
43.4989, 94, 139, 152, 160, 178, 183, 188 15
54.4194.5, 165, 192 25
65.35100.9, 202 25
76.8792, 184 25
88.29106, 212 25
99.63113, 114, 120.1, 226, 228, 240.1 25
1010.57154, 251.9 25
1111.40119.7, 242 25
1213.16124.9, 126, 252 25
1314.96112.8, 118, 125.9, 132, 252, 264 25
1416.09126.1, 252, 268 25
1517.82138, 138.9, 139.2, 276, 278, 279 25
1619.57137.9, 267, 276 25
1720.77150, 302 25
1821.57149.9, 151, 302 25
Transfer Line Temp.:330 °C
Analyzer Type:Quadrupole
Source Type:Extractor
Extractor Lens:9 mm ID
Source Temp.:350 °C
Quad Temp.:200 °C
Solvent Delay Time:1.05 min
Tune Type:DFTPP
Ionization Mode:EI
InstrumentAgilent 7890B GC & 5977A MSD
NotesPerforms the separation of two critical sets of isobars:
1. Cyclopenta[c,d]pyrene, triphenylene, and chrysene
2. Benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[j]fluoranthene