Volatile Organics US EPA Method 8260B on Rtx-VMS

Peaks
1.Carbon dioxide
2.Dichlorodifluoromethane
3.Freon® 114
4.Chloromethane
5.Vinyl chloride
6.Bromomethane
7.Chloroethane
8.Trichlorofluoromethane
9.Ethanol
10.Diethyl ether
11.1,1-Dichloroethene
12.Iodomethane
13.Carbon disulfide
14.Freon® 113
15.Acrolein
16.Allyl chloride
17.Methylene Chloride
18.Acetone
19.trans-1,2-Dichloroethene
20.Methyl acetate
21.Methyl tert-butyl ether
22.tert-Butyl Alcohol
23.Acetonitrile
24.Diisopropyl ether
25.Chloroprene
26.1,1-Dichloroethane
27.Acrylonitrile
28.vinyl acetate**
29.Ethyl- tert-butyl ether**
30.cis-1,2-Dichloroethene
31.2,2-Dichloropropane
32.Bromochloromethane
33.Chloroform
34.Carbon Tetrachloride
35.Ethyl Acetate
36.Methyl acrylate
37.Dibromofluoromethane
38.Tetrahydrofuran
39.1,1,1-Trichloroethane
40.2-Butanone
41.1,1-Dichloropropene
42.Benzene
43.Propionitrile
44.Methacrylonitrile
45.Pentafluorobenzene
46.tert-Amyl Methyl ether
47.1,2-Dichloroethane
48.Isobutyl alcohol
49.Isopropyl acetate
50.Trichloroethene
51.1,4-Difluorobenzene
52.Dibromomethane
53.1,2-Dichloropropane
54.Bromodichloromethane
55.Methyl methacrylate
Peaks
56.n-Propyl acetate
57.2-Chloroethyl vinyl ether
58.cis-1,3-Dichloropropene
59.Toluene-D8
60.Toluene
61.2-Nitropropane
62.Tetrachloroethene
63.4-Methyl-2-pentanone
64.trans-1,3-Dichloropropene
65.2-Bromo-1-chloropropane
66.1,1,2-Trichloroethane
67.Ethyl methacrylate
68.Dibromochloromethane
69.1,3-Dichloropropane
70.1,2-Dibromoethane
71.n-Butyl acetate
72.2-Hexanone
73.Chlorobenzene-d5
74.Chlorobenzene
75.Ethylbenzene
76.1,1,1,2-Tetrachloroethane
77.m-Xylene
78.p-Xylene
79.o-Xylene
80.Styrene
81.Bromoform
82.Isopropylbenzene
83.n-Amyl acetate
84.4-bromo-1-fluorobenzene (ss)
85.cis-1,4-dichloro-2-butene
86.n-Propylbenzene
87.Bromobenzene
88.1,4-Dichlorobutane
89.1,1,2,2-Tetrachloroethane
90.2-Chlorotoluene
91.1,3,5-Trimethylbenzene
92.1,2,3-Trichloropropane
93.trans-1,4-Dichloro-2-butene
94.4-Chlorotoluene
95.tert-Butylbenzene
96.Pentachloroethane
97.1,2,4-Trimethylbenzene
98.sec-Butylbenzene
99.p-Isopropyltoluene
100.1,3-Dichlorobenzene
101.1,4-Dichlorobenzene-D4
102.1,4-Dichlorobenzene
103.n-Butylbenzene
104.1,2-Dichlorobenzene
105.1,2-Dibromo-3-Chloropropane
106.Nitrobenzene
107.Hexachlorobutadiene
108.1,2,4-Trichlorobenzene
109.Naphthalene
110.1,2,3-Trichlorobenzene
*2-Chloroethanol in 8260B mix requires lower scan range for identification; 1,4-dioxane requires fortification or identification using single point high calibration standard. **Peaks 28 & 29 share ion (43).
image
GC_EV00640
ColumnRtx®-VMS, 40 m, 0.18 mm ID, 1.00 µm (cat.# 49915)
Sample8260B MegaMix Calibration Mix Kit (cat.# 30475)
502.2 Calibration Mix #1 (gases) (cat.# 30042)
VOA Calibration Mix #1 (ketones) (cat.# 30006)
8260 Internal Standard Mix (cat.# 30074)
8260 Surrogate Mix (cat.# 30073)
8260B Acetate Mix (Revised) (cat.# 30489)
California Oxygenates Mix (cat.# 30465)
acrolein (cat.# 30478)
ethanol (cat.# 30466)
1,2-dichlorotetrafluoroethane (CFC-114) (cat.# 30476)
Diluent:25 mL RO water
Conc.: 5ppb each
Injectionpurge and trap split (split ratio 40:1)
Liner:1mm Split (cat.# 20972)
Inj. Temp.:250 °C
Purge and Trap
Instrument:Tekmar LSC3100 Purge and Trap
Trap Type:Vocarb 3000
Purge: 11 min, flow 40 mL/min
Dry Purge: 1 min, flow 40 mL/min
Desorb Preheat Temp.:245 °C
Desorb: 2 min @ 250 °C, flow 45 mL/min
Bake: 8 min @ 260 °C
Interface Connection:injection port
Transfer Line Tubing:Silcosteel® transfer line
Oven
Oven Temp.:35 °C (hold 2 min) to 60 °C at 4 °C/min to 225 °C at 40 °C/min (hold 5 min)
Carrier GasHe, constant flow
Flow Rate:1.1 mL/min
Detector5973 GC/MS w/ turbomolecular pump
Source Temp.:280 °C
Ionization Mode:EI
Scan Range:35-260 amu
NotesMCS by-passed with Silcosteel® tubing, cat.# 21035
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