TO-15 65 Component Mix on Rxi-1ms (60 m)

GC_AR1156

	Peaks	t_R (min)
1.	1,1-Difluoroethane (Freon^® 152)	3.96
2.	Propylene	4.03
3.	Dichlorodifluoromethane (Freon^® 12)	4.09
4.	Chloromethane	4.24
5.	1,2-Dichlorotetrafluoroethane (Freon^® 114)	4.34
6.	Vinyl chloride	4.43
7.	1,3-Butadiene	4.54
8.	Bromomethane	4.77
9.	Chloroethane	4.92
10.	Ethanol	5.20
11.	Acrolein	5.31
12.	Acetone	5.42
13.	Trichlorofluoromethane (Freon^® 11)	5.56
14.	Acetonitrile (contaminant)	5.77
15.	Isopropyl alcohol	5.77
16.	1,1-Dichloroethene	6.08
17.	Methylene chloride	6.17
18.	1,1,2-Trichlorotrifluoroethane (Freon^® 113)	6.41
19.	Carbon disulfide	6.46
20.	trans-1,2-Dichloroethene	6.99
21.	1,1-Dichloroethane	7.18
22.	Methyl tert-butyl ether (MTBE)	7.23
23.	Vinyl acetate	7.29
24.	2-Butanone (MEK)	7.55

	Peaks	t_R (min)
25.	cis-1,2-Dichloroethene	7.95
26.	Bromochloromethane (IS)	8.11
27.	Ethyl acetate*	8.15
28.	Hexane*	8.17
29.	Chloroform	8.24
30.	Tetrahydrofuran	8.65
31.	1,2-Dichloroethane	9.01
32.	1,1,1-Trichloroethane	9.30
33.	Benzene	9.80
34.	Carbon tetrachloride	9.97
35.	Cyclohexane	10.13
36.	1,4-Difluorobenzene (IS)	10.19
37.	1,2-Dichloropropane	10.76
38.	Bromodichloromethane	11.01
39.	Trichloroethylene	11.05
40.	1,4-Dioxane	11.06
41.	Methyl methacrylate	11.29
42.	Heptane	11.45
43.	cis-1,3-Dichloropropene	12.17
44.	4-methyl-2-pentanone (MIBK)	12.25
45.	trans-1,3-Dichloropropene	12.90
46.	1,1,2-Trichloroethane	13.16
47.	Toluene	13.57
48.	2-Hexanone (MBK)	13.97

	Peaks	t_R (min)
49.	Dibromochloromethane	14.19
50.	Hexanal (contaminant)	14.35
51.	1,2-Dibromoethane	14.57
52.	Tetrachloroethene	15.33
53.	Chlorobenzene-d5 (IS)	16.39
54.	Chlorobenzene	16.47
55.	Ethylbenzene	17.16
56.	m-Xylene	17.50
57.	p-Xylene	17.50
58.	Bromoform	17.54
59.	Styrene	18.14
60.	1,1,2,2-Tetrachloroethane	18.30
61.	o-Xylene	18.35
62.	4-Bromofluorobenzene**	19.21
63.	4-Ethyltoluene	20.94
64.	1,3,5-Trimethylbenzene	21.13
65.	1,2,4-Trimethylbenzene	22.05
66.	Benzyl chloride	22.31
67.	1,3-Dichlorobenzene	22.33
68.	1,4-Dichlorobenzene	22.50
69.	1,2-Dichlorobenzene	23.32
70.	1,2,4-Trichlorobenzene	27.47
71.	Naphthalene	27.67
72.	Hexachlorobutadiene	28.47

*Peaks 27 and 28 share ion m/z 43; **Tuning standard

Oven
Column	Rxi-1ms, 60 m, 0.32 mm ID, 1.00 µm (cat.# 13357)
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 1.00 min) to 150 °C at 5 °C/min to 230 °C at 15 °C/min
Carrier Gas	He, constant flow
Flow Rate:	1.2 mL/min
Linear Velocity:	31 cm/sec @ 32 °C

Detector

MS

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	0.00	35-250	3.32

Transfer Line Temp.:

230 °C

Analyzer Type:

Quadrupole

Source Temp.:

230 °C

Quad Temp.:

150 °C

Electron Energy:

70.0 eV

Solvent Delay Time:

1.0 min

Tune Type:

BFB

Ionization Mode:

EI

Preconcentrator

Nutech 8900DS

Trap 1 Settings

Type/Sorbent :

Siltek-treated 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^® GR

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 Instruments/EST Analytical

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