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MA DEP EPH Aromatics on Rxi-5Sil MS

PeakstR (min)Conc.
(µg/mL)
1.Naphthalene5.1812.5
2.2-Methylnaphthalene6.0012.5
3.2-Fluorobiphenyl (SS)6.4620.0
4.Acenaphthylene7.0312.5
5.2-Bromonaphthalene (SS)7.2020.0
6.Acenaphthene7.2412.5
7.Fluorene7.8512.5
8.Phenanthrene8.9712.5
9.Anthracene9.0312.5
10.o-Terphenyl (SS)9.4620.0
11.Fluoranthene10.3612.5
12.Pyrene10.6212.5
13.Benz[a]anthracene12.1312.5
14.Chrysene12.1812.5
15.Benzo[b]fluoranthene13.9012.5
16.Benzo[k]fluoranthene13.9512.5
17.Benzo[a]pyrene14.4812.5
18.Indeno[1,2,3-cd]pyrene16.7212.5
19.Dibenz[a,h]anthracene16.8312.5
20.Benzo[ghi]perylene17.2412.5
image
GC_EV1481
ColumnRxi-5Sil MS, 30 m, 0.32 mm ID, 0.25 µm (cat.# 13624)
SampleMA EPH aromatic hydrocarbon standard (cat.# 31458)
MA fractionation surrogate spike mix (cat.# 31480)
o-Terphenyl (cat.# 31097)
Diluent:Methylene chloride
Injection
Inj. Vol.:1 µL splitless (hold 1.5 min)
Liner:Topaz 4 mm ID single taper inlet liner w/ wool (cat.# 23303)
Inj. Temp.:300 °C
Purge Flow:50 mL/min
Oven
Oven Temp.:55 °C (hold 1.5 min) to 250 °C at 20 °C/min to 330 °C at 6 °C/min (hold 2.0 min)
Carrier GasHe, constant flow
Flow Rate:5 mL/min
DetectorFID @ 340 °C
Make-up Gas Flow Rate:45 mL/min
Make-up Gas Type:H2
Hydrogen flow:40 mL/min
Air flow:450 mL/min
Data Rate:50 Hz
InstrumentAgilent 7890A GC
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