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Volatile Organics by EPA 8260B on Rtx-VMS

GC_EV00428
Peaks
1.Dichlorodifluoromethane
2.Chloromethane
3.Vinyl chloride
4.Bromomethane
5.Chloroethane
6.Trichlorofluoromethane
7.Ethanol (2,500 ppb)
8.1,1-Dichloroethene
9.Carbon disulfide (40 ppb)
10.Allyl chloride
11.Methylene chloride
12.Acetone
13.trans-1,2-Dichloroethene
14.Methyl tert-butyl ether
15.tert-Butyl alcohol (100 ppb)
16.Diisopropyl ether
17.1,1-Dichloroethane
18.Acrylonitrile
19.Vinyl acetate
20.Allyl alcohol (250 ppb)
21.Ethyl tert-butyl ether
22.cis-1,2-Dichloroethene
23.2,2-Dichloropropane
24.Bromochloromethane
25.Chloroform
26.Ethyl acetate
27.Carbon tetrachloride
28.Methyl acrylate
29.Propargyl alcohol (500 ppb)
30.Dibromofluoromethane (SMC)
31.Tetrahydrofuran
32.1,1,1-Trichloroethane
Peaks
33.2-Butanone
34.1,1-Dichloropropene
35.Benzene
36.Pentafluorobenzene (IS)
37.tert-Amyl Methyl ether
38.1,2-Dichloroethane
39.Isobutyl alcohol (500 ppb)
40.Isopropyl acetate
41.Trichloroethene
42.1,4-Difluorobenzene (SMC)
43.Dibromomethane
44.1,2-Dichloropropane
45.Bromodichloromethane
46.Methyl methacrylate
47.n-Propyl acetate
48.2-Chloroethanol (2,500 ppb)
49.cis-1,3-Dichloropropene
50.Toluene-d8 (SMC)
51.Toluene
52.Pyridine (250 ppb)
53.Tetrachloroethene
54.4-Methyl-2-pentanone
55.trans-1,3-Dichloropropene
56.1,1,2-Trichloroethane
57.Ethyl methacrylate
58.Dibromochloromethane
59.1,3-Dichloropropane
60.1,2-Dibromoethane
61.n-Butyl acetate
62.2-Hexanone
63.2-Picoline (250 ppb)
64.Chlorobenzene-d5 (IS)
Peaks
65.Chlorobenzene
66.Ethylbenzene
67.1,1,1,2-Tetrachloroethane
68.m-Xylene
69.p-Xylene
70.o-Xylene
71.Styrene
72.Bromoform
73.Isopropylbenzene
74.4-Bromofluorobenzene (SMC)
75.Bromobenzene
76.n-Propylbenzene
77.1,1,2,2-Tetrachloroethane
78.2-Chlorotoluene
79.1,3,5-Trimethylbenzene
80.1,2,3-Trichloropropane
81.4-Chlorotoluene
82.tert-Butylbenzene
83.Pentachloroethane
84.1,2,4-Trimethylbenzene
85.sec-Butylbenzene
86.p-Isopropyltoluene
87.1,3-Dichlorobenzene
88.1,4-Dichlorobenzene-d4 (IS)
89.1,4-Dichlorobenzene
90.n-Butylbenzene
91.1,2-Dichlorobenzene
92.1,2-Dibromo-3-Chloropropane
93.Nitrobenzene (250 ppb)
94.Hexachlorobutadiene
95.1,2,4-Trichlorobenzene
96.Naphthalene
97.1,2,3-Trichlorobenzene
ColumnRtx-VMS, 20 m, 0.18 mm ID, 1.00 µm (cat.# 49914)
Sample
Diluent:Water
Conc.: 10 ppb in 5 mL RO water (unless noted); ketones 2.5X
Injectionpurge and trap split (split ratio 40:1)
Liner:1 mm split (cat.# 20973)
Inj. Temp.:220 °C
Purge and Trap
Instrument:Tekmar LCS 3100
Trap Type:Vocarb 3000
Purge: 11 min @ ambient, flow 40 mL/min
Dry Purge: 1 min, flow 40 mL/min
Desorb Preheat Temp.:245 °C
Desorb: 2 min @ 250 °C, flow 40 mL/min
Bake: 8 min @ 260 °C
Interface Connection:injection port
Transfer Line Tubing:Silcosteel-treated 0.53 mm ID tubing (cat.# 20595)
Transfer Line Temp.:120 °C
Oven
Oven Temp.:50 °C (hold 4 min) to 100 °C at 18 °C/min (hold 0 min) to 230 °C at 40 °C/min (hold 3 min)
Carrier GasHe, constant flow
Flow Rate:1.0 mL/min
DetectorMS
Mode:Scan
Transfer Line Temp.:280 °C
Analyzer Type:Quadrupole
Tune Type:BFB
Ionization Mode:EI
Scan Range:35-300 amu
InstrumentHP6890 GC & 5973 MSD
NotesFor proper flows, adjust retention time of dichlorodifluoromethane to a retention time of 1.03 minutes @ 50 °C