Welcome to the New Restek.com! Take a tour of the new site and feel free to send us your feedback.
Your web browser will no longer be supported by Restek.com as of 30 June 2021.
To avoid any interruption in access or functionality, install a current-generation web browser now. Learn more.

Resolution of Chrysene from Isobaric Interferences on Rxi-PAH (60 m x 0.25 mm x 0.10 µm)

GC_EV1422
PeakstR (min)Conc.
(µg/mL)
Quant Ion
1.Benzo[ghi]fluoranthene46.141.5226
2.Benzo[c]phenanthrene46.382.0228
3.Benz[a]anthracene49.138.8228
4.Cyclopenta[cd]pyrene49.645.2226
5.Triphenylene49.961.8228
6.Chrysene50.158.9228
ColumnRxi-PAH, 60 m, 0.25 mm ID, 0.10 µm (cat.# 49317)
SampleSV internal standard mix (cat.# 31206)
Coronene-D12 (CIL) (cat.# DLM-2715)
Benzo[a]pyrene-D12 (CIL) (cat.# DLM-258-0)
Aromatics in toluene (NIST) (cat.# 2260a)
Native PAH stock (Wellington Labs) (cat.# PAH-STK-A)
EU 15+1 PAH standard (cat.# 32470)
Custom PAH SIM standard (cat.# 557484)
Diluent:Toluene
Conc.:0.71 to 10 µg/mL
Injection
Inj. Vol.:1 µL split (split ratio 10:1)
Liner:Premium 4 mm Precision liner w/wool (cat.# 23305.1)
Inj. Temp.:275 °C
Oven
Oven Temp.:110 °C (hold 1.6 min) to 175 °C at 30 °C/min to 265 °C at 1.6 °C/min to 350 °C at 4 °C/min (hold 15 min)
Carrier GasHe, constant flow
Flow Rate:1.0 mL/min
DetectorMS
Mode:SIM
SIM Program:
GroupStart Time
(min)
Ion(s) (m/z)Dwell (ms)
15.09102.1, 108.1, 128.1, 136.2 20
26.68115.1, 142.1 20
37.5576.1, 141.1, 154.1, 156.2 20
48.7775.6, 152.1 20
59.5676.1, 153.1, 162.2, 164.2 20
610.26155.1, 170.2 20
711.1282.4, 165.1 20
814.27139.1, 184.1 20
917.26152.1, 160.2, 178.1, 188.2 20
1020.5894.6, 165.1, 190.1, 192.1 20
1126.32101.1, 202.1 20
1234.9792.1, 184.1 20
1337.36108.0, 216.0 20
1441.78196.1, 212.2 20
1545.86113.1, 226.1, 228.1 20
1647.86114.0, 228.1 20
1749.49113.1, 120.1, 226.1, 228.1, 240.1 20
1851.24154.1, 252.1 20
1954.16119.8, 242.2 20
2060.13125.1, 126.1, 252.1 20
2164.77126.1, 252.1 20
2266.15125.1, 126.1, 132.1, 252.1, 264.1 20
2368.07125.0, 132.2, 252.1, 264.1 20
2469.10252.1, 268.1 20
2571.92139.1, 139.5, 278.1, 279.1 20
2674.87138.1, 139.1, 276.1, 278.1 20
2775.81138.1, 139.1, 278.1 20
2876.82138.1, 276.1 20
2977.53132.6, 138.1, 267.1, 276.1 20
3080.20151.0, 302.1 20
3183.40150.0, 151.0, 156.1, 300.1, 302.1, 312.1 20
3284.88151.0, 302.1 20
Transfer Line Temp.:320 °C
Analyzer Type:Quadrupole
Source Type:Extractor
Extractor Lens:9 mm ID
Source Temp.:350 °C
Quad Temp.:200 °C
Solvent Delay Time:3 min
Ionization Mode:EI
InstrumentAgilent 7890B GC & 5977A MSD
NotesConditions optimized using EZGC software produce good separation of dibenzo[a,c]anthracene and dibenzo[a,h]anthracene from indeno[1,2,3-cd]pyrene, triphenylene from chrysene, as well as the benzofluoranthene isomers.