MA DEP EPH Aromatics on Rxi-5Sil MS

GC_EV1481

	Peaks	t_R (min)	Conc. (µg/mL)
1.	Naphthalene	5.18	12.5
2.	2-Methylnaphthalene	6.00	12.5
3.	2-Fluorobiphenyl (SS)	6.46	20.0
4.	Acenaphthylene	7.03	12.5
5.	2-Bromonaphthalene (SS)	7.20	20.0
6.	Acenaphthene	7.24	12.5
7.	Fluorene	7.85	12.5
8.	Phenanthrene	8.97	12.5
9.	Anthracene	9.03	12.5
10.	o-Terphenyl (SS)	9.46	20.0

	Peaks	t_R (min)	Conc. (µg/mL)
11.	Fluoranthene	10.36	12.5
12.	Pyrene	10.62	12.5
13.	Benz[a]anthracene	12.13	12.5
14.	Chrysene	12.18	12.5
15.	Benzo[b]fluoranthene	13.90	12.5
16.	Benzo[k]fluoranthene	13.95	12.5
17.	Benzo[a]pyrene	14.48	12.5
18.	Indeno[1,2,3-cd]pyrene	16.72	12.5
19.	Dibenz[a,h]anthracene	16.83	12.5
20.	Benzo[ghi]perylene	17.24	12.5

Injection
Column	Rxi-5Sil MS, 30 m, 0.32 mm ID, 0.25 µm (cat.# 13624)
Standard/Sample	MA EPH aromatic hydrocarbon standard (cat.# 31458)
	MA fractionation surrogate spike mix (cat.# 31480)
	o-Terphenyl (cat.# 31097)
Diluent:	Methylene chloride
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 Gas	He, constant flow
Flow Rate:	5 mL/min

Detector	FID @ 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
Instrument	Agilent 7890A GC

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