TO-15 65 Component Mix on Rtx-VMS (30 m, 1.2 mL/min)

GC_AR1155

	Peaks	t_R (min)
1.	Propylene	1.98
2.	Dichlorodifluoromethane (Freon^® 12)	2.03
3.	1,2-Dichlorotetrafluoroethane (Freon^® 114)	2.19
4.	Chloromethane	2.24
5.	Vinyl chloride	2.34
6.	1,3-Butadiene	2.36
7.	Acetaldehyde (contaminant)	2.64
8.	Bromomethane	2.68
9.	Chloroethane	2.81
10.	Trichlorofluoromethane (Freon^® 11)	2.96
11.	1,1-Dichloroethene	3.45
12.	Ethanol	3.46
13.	Carbon disulfide	3.46
14.	1,1,2-Trichlorotrifluoroethane (Freon^® 113)	3.50
15.	Acrolein	3.79
16.	Isopropyl alcohol	3.99
17.	Methylene chloride	4.01
18.	Acetone	4.07
19.	trans-1,2-Dichloroethene	4.16
20.	Acetonitrile (contaminant)	4.24
21.	Hexane	4.24
22.	Methyl tert-butyl ether (MTBE)	4.28
23.	1,1-Dichloroethane	4.76

	Peaks	t_R (min)
24.	Vinyl acetate	5.03
25.	cis-1,2-Dichloroethene	5.30
26.	Cyclohexane	5.48
27.	Bromochloromethane (IS)	5.49
28.	Chloroform	5.58
29.	Carbon tetrachloride	5.70
30.	Ethyl acetate	5.72
31.	Tetrahydrofuran	5.74
32.	1,1,1-Trichloroethane	5.78
33.	2-Butanone (MEK)	5.91
34.	Heptane	6.13
35.	Benzene	6.18
36.	1,2-Dichloroethane	6.41
37.	Trichloroethylene	6.82
38.	1,4-Difluorobenzene (IS)	6.86
39.	1,2-Dichloropropane	7.43
40.	Bromodichloromethane	7.50
41.	Methyl methacrylate	7.71
42.	1,4-Dioxane	7.76
43.	cis-1,3-Dichloropropene	8.28
44.	Toluene	8.58
45.	Tetrachloroethene	9.07
46.	4-Methyl-2-pentanone (MIBK)	9.12

	Peaks	t_R (min)
47.	trans-1,3-Dichloropropene	9.15
48.	1,1,2-Trichloroethane	9.36
49.	Dibromochloromethane	9.59
50.	1,2-Dibromoethane	9.91
51.	2-Hexanone (MBK)	10.29
52.	Chlorobenzene-d5 (IS)	10.65
53.	Chlorobenzene	10.67
54.	Ethylbenzene	10.73
55.	m-Xylene	10.96
56.	p-Xylene	10.96
57.	o-Xylene	11.61
58.	Styrene	11.70
59.	Bromoform	11.71
60.	4-Bromofluorobenzene*	12.54
61.	1,1,2,2-Tetrachloroethane	12.92
62.	4-Ethyltoluene	12.98
63.	1,3,5-Trimethylbenzene	13.13
64.	1,2,4-Trimethylbenzene	13.77
65.	1,3-Dichlorobenzene	14.27
66.	1,4-Dichlorobenzene	14.43
67.	Benzyl chloride	14.90
68.	1,2-Dichlorobenzene	15.15
69.	Hexachlorobutadiene	17.28
70.	1,2,4-Trichlorobenzene	17.29
71.	Naphthalene	17.62

*Tuning standard

Oven
Column	Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
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 8 °C/min to 230 °C at 33 °C/min
Carrier Gas	He, constant flow
Flow Rate:	1.2 mL/min
Linear Velocity:	40 cm/sec @ 32 °C

Detector

MS

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:

EI

Preconcentrator

Nutech 8900 DS

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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