TO-15 65 Component Mix on Rtx-VMS (30 m, 2.0 mL/min)

GC_AR1154

	Peaks	t_R (min)
1.	Propylene	1.50
2.	Dichlorodifluoromethane (Freon^® 12)	1.54
3.	1,2-Dichlorotetrafluoroethane (Freon^® 114)	1.67
4.	Chloromethane	1.70
5.	Vinyl chloride	1.79
6.	1,3-Butadiene	1.81
7.	Acetaldehyde (contaminant)	2.04
8.	Bromomethane	2.07
9.	Chloroethane	2.18
10.	Trichlorofluoromethane (Freon^® 11)	2.30
11.	1,1-Dichloroethene	2.70
12.	Carbon disulfide	2.71
13.	Ethanol	2.72
14.	1,1,2-Trichlorotrifluoroethane (Freon^® 113)	2.74
15.	Acrolein	2.97
16.	Methylene chloride	3.15
17.	Isopropyl alcohol	3.16
18.	Acetone	3.20
19.	trans-1,2-Dichloroethene	3.27
20.	Acetonitrile (contaminant)	3.34
21.	Hexane	3.34
22.	Methyl tert-butyl ether (MTBE)	3.38
23.	1,1-Dichloroethane	3.74

	Peaks	t_R (min)
24.	Vinyl acetate	3.96
25.	cis-1,2-Dichloroethene	4.16
26.	Cyclohexane	4.30
27.	Bromochloromethane (IS)	4.31
28.	Chloroform	4.38
29.	Carbon tetrachloride	4.47
30.	Ethyl acetate	4.50
31.	Tetrahydrofuran	4.52
32.	1,1,1-Trichloroethane	4.53
33.	2-Butanone (MEK)	4.65
34.	Heptane	4.80
35.	Benzene	4.83
36.	1,2-Dichloroethane	5.01
37.	Trichloroethylene	5.32
38.	1,4-Difluorobenzene (IS)	5.36
39.	1,2-Dichloropropane	5.79
40.	Bromodichloromethane	5.85
41.	Methyl methacrylate	6.01
42.	1,4-Dioxane	6.06
43.	cis-1,3-Dichloropropene	6.43
44.	Toluene	6.65
45.	Tetrachloroethene	7.01
46.	4-Methyl-2-pentanone (MIBK)	7.06

	Peaks	t_R (min)
47.	trans-1,3-Dichloropropene	7.07
48.	1,1,2-Trichloroethane	7.23
49.	Dibromochloromethane	7.40
50.	1,2-Dibromoethane	7.64
51.	2-Hexanone (MBK)	7.93
52.	Chlorobenzene-d5 (IS)	8.19
53.	Chlorobenzene	8.20
54.	Ethylbenzene	8.25
55.	m-Xylene	8.41
56.	p-Xylene	8.41
57.	o-Xylene	8.89
58.	Styrene	8.96
59.	Bromoform	8.97
60.	4-Bromofluorobenzene*	9.58
61.	1,1,2,2-Tetrachloroethane	9.86
62.	4-Ethyltoluene	9.90
63.	1,3,5-Trimethylbenzene	10.01
64.	1,2,4-Trimethylbenzene	10.48
65.	1,3-Dichlorobenzene	10.85
66.	1,4-Dichlorobenzene	10.97
67.	Benzyl chloride	11.30
68.	1,2-Dichlorobenzene	11.50
69.	Hexachlorobutadiene	13.08
70.	1,2,4-Trichlorobenzene	13.09
71.	Naphthalene	13.37

*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 11 °C/min to 230 °C at 33 °C/min
Carrier Gas	He, constant flow
Flow Rate:	2.0 mL/min
Linear Velocity:	51 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 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.:

20 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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