TO-15 65 Component Mix on Rxi-5Sil MS (30 m, 1.5 mL/min)

	Peaks	t_R (min)
1.	Propylene	1.57
2.	Dichlorodifluoromethane (Freon 12)	1.60
3.	Chloromethane	1.67
4.	1,2-Dichlorotetrafluoroethane (Freon 114)	1.68
5.	Vinyl chloride	1.74
6.	1,3-Butadiene	1.79
7.	Bromomethane	1.91
8.	Chloroethane	1.98
9.	Ethanol	2.16
10.	Trichlorofluoromethane (Freon 11)	2.20
11.	Acrolein	2.25
12.	Acetone	2.29
13.	Acetonitrile (contaminant)	2.29
14.	1,1-Dichloroethene	2.47
15.	Isopropyl alcohol	2.49
16.	1,1,2-Trichlorotrifluoroethane (Freon 113)	2.55
17.	Methylene chloride	2.63
18.	Carbon disulfide	2.68
19.	trans-1,2-Dichloroethene	2.97
20.	Methyl tert-butyl ether (MTBE)	3.02
21.	1,1-Dichloroethane	3.13
22.	Vinyl acetate	3.17
23.	2-Butanone (MEK)*	3.36

	Peaks	t_R (min)
24.	Hexane*	3.36
25.	cis-1,2-Dichloroethene	3.50
26.	Ethyl acetate	3.62
27.	Bromochloromethane (IS)	3.67
28.	Chloroform	3.75
29.	Tetrahydrofuran	3.83
30.	1,1,1-Trichloroethane	4.09
31.	1,2-Dichloroethane	4.21
32.	Benzene	4.36
33.	Carbon tetrachloride	4.37
34.	Cyclohexane	4.39
35.	1,4-Difluorobenzene (IS)	4.70
36.	Heptane	5.00
37.	Trichloroethylene	5.04
38.	1,2-Dichloropropane	5.09
39.	Methyl methacrylate	5.23
40.	Bromodichloromethane	5.28
41.	1,4-Dioxane	5.32
42.	4-Methyl-2-pentanone (MIBK)	5.81
43.	cis-1,3-Dichloropropene	5.81
44.	trans-1,3-Dichloropropene	6.33
45.	Toluene	6.37
46.	1,1,2-Trichloroethane	6.55

	Peaks	t_R (min)
47.	2-Hexanone (MBK)	6.77
48.	Dibromochloromethane	7.09
49.	Tetrachloroethene	7.19
50.	1,2-Dibromoethane	7.29
51.	Chlorobenzene-d5 (IS)	7.99
52.	Chlorobenzene	8.04
53.	Ethylbenzene	8.32
54.	m-Xylene	8.52
55.	p-Xylene	8.52
56.	Styrene	8.95
57.	o-Xylene	8.98
58.	Bromoform	9.00
59.	1,1,2,2-Tetrachloroethane	9.46
60.	4-Bromofluorobenzene**	9.67
61.	4-Ethyltoluene	10.40
62.	1,3,5-Trimethylbenzene	10.49
63.	1,2,4-Trimethylbenzene	11.00
64.	1,3-Dichlorobenzene	11.28
65.	Benzyl chloride	11.39
66.	1,4-Dichlorobenzene	11.45
67.	1,2-Dichlorobenzene	11.83
68.	1,2,4-Trichlorobenzene	14.46
69.	Naphthalene	14.63
70.	Hexachlorobutadiene	14.89

*Peaks 23 and 24 share ion m/z 43; **Tuning standard

Oven
Column	Rxi-5Sil MS, 30 m, 0.32 mm ID, 1.00 µm (cat.# 13654)
Standard/Sample	TO-15 65 component mix (cat.# 34436)
	TO-14A internal standard/tuning mix (cat.# 34408)
Diluent:	Nitrogen
Conc.:	10.0 ppbv 400 mL injection
Injection	Direct
Oven Temp.:	32 °C (hold 1 min) to 150 °C at 9 °C/min to 230 °C at 33 °C/min
Carrier Gas	He, constant flow
Flow Rate:	1.5 mL/min
Linear Velocity:	44 cm/sec @ 32 °C

Detector

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	0	35-250	3.32

Transfer Line Temp.:

230 °C

Analyzer Type:

Quadrupole

Source Temp.:

230 °C

Quad Temp.:

150 °C

Electron Energy:

69.9 eV

Solvent Delay Time:

1.0 min

Tune Type:

BFB

Ionization Mode:

Preconcentrator

Nutech 8900DS

Trap 1 Settings

Type/Sorbent :

Glass beads

Cooling temp:

-155 °C

Preheat temp:

5 °C

Preheat time:

0 sec

Desorb temp:

20 °C

Desorb flow:

5 mL/min

Desorb time:

360 sec

Bakeout temp:

200 °C

Flush flow:

120 mL/min

Flush time:

60 sec

Sweep flow:

120 mL/min

Sweep time:

60 sec

Trap 2 Settings

Type/Sorbent:

Tenax

Cooling temp:

-35 °C

Desorb temp:

190 °C

Desorb time:

30 sec

Bakeout temp:

200 °C

Bakeout time:

10 sec

Cryofocuser

Cooling temp:

-160 °C

Inject time:

140 sec

Internal Standard

Purge flow:

100 mL/min

Purge time:

6 sec

Vol.:

100 mL

ISTD flow:

100 mL/min

Standard

Size:

200 mL

Purge flow:

100 mL/min

Purge time:

6 sec

Sample flow:

100 mL/min

Instrument

HP6890 GC & 5973 MSD

Acknowledgement

Nutech

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