NJ DEP EPH Aliphatics on Rxi-5Sil MS by Split Injection

GC_EV1490

	Peaks	t_R (min)	Conc. (µg/mL)
1.	n-Nonane	2.40	125
2.	n-Decane	3.14	125
3.	Naphthalene	4.61	125
4.	n-Dodecane	4.64	125
5.	2-Methylnaphthalene	5.40	125
6.	n-Tetradecane	5.97	125
7.	n-Hexadecane	6.98	125
8.	n-Octadecane	7.80	125
9.	n-Eicosane	8.51	125
10.	1-Chlorooctadecane (SS)	8.81	200

	Peaks	t_R (min)	Conc. (µg/mL)
11.	n-Heneicosane	8.84	125
12.	n-Docosane	9.20	125
13.	n-Tetracosane	10.05	125
14.	n-Hexacosane	11.15	125
15.	n-Octacosane	12.56	125
16.	n-Triacontane	14.24	125
17.	n-Dotriacontane	15.67	125
18.	n-Tetratriacontane	16.51	125
19.	n-Hexatriacontane	17.15	125
20.	n-Octatriacontane	17.81	125
21.	n-Tetracontane	18.61	125

Injection
Column	Rxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
Standard/Sample	NJ DEP EPH 10/08 rev. 2 aliphatics calibration standard (cat.# 30540)
	1-Chlorooctadecane (cat.# 31098)

Diluent:	Hexane
Inj. Vol.:	1 µL split (split ratio 10:1)
Liner:	Topaz 4 mm ID Precision liner w/ wool (cat.# 23305)
Inj. Temp.:	300 °C
Oven
Oven Temp.:	55 °C (hold 0.5 min) to 150 °C at 20 °C/min to 250 °C at 30 °C/min to 280 °C at 5 °C/min to 345 °C at 30 °C/min (hold 3 min)
Carrier Gas	He, constant flow
Flow Rate:	4 mL/min

Detector	FID @ 340 °C
Make-up Gas Flow Rate:	45 mL/min
Make-up Gas Type:	N₂
Hydrogen flow:	40 mL/min
Air flow:	450 mL/min
Data Rate:	50 Hz
Instrument	Agilent 7890A GC

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