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Volatile Organics by EPA 8260B on Rtx-VMS

Volatile Organics by EPA 8260B on Rtx-VMS

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.tert-Butyl alcohol (100 ppb)
15.Methyl tert-butyl ether
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.Methyl acrylate
28.Propargyl alcohol (500 ppb)
29.Dibromofluoromethane (SMC)
30.Tetrahydrofuran
31.Carbon tetrachloride
32.2-Butanone
33.1,1,1-Trichloroethane
34.1,1-Dichloropropene
35.Pentafluorobenzene (IS)
36.tert-Amyl Methyl ether
37.Benzene
38.Isobutyl alcohol (500 ppb)
39.1,2-Dichloroethane
40.Isopropyl acetate
41.1,4-Difluorobenzene (SMC)
42.Trichloroethene
43.Dibromomethane
44.Bromodichloromethane
45.1,2-Dichloropropane
46.Methyl methacrylate
47.n-Propyl acetate
48.2-Chloroethanol (2,500 ppb)
Peaks
49.cis-1,3-Dichloropropene
50.Toluene-d8 (SMC)
51.Toluene
52.4-Methyl-2-pentanone
53.Pyridine (250 ppb)
54.trans-1,3-Dichloropropene
55.Ethyl methacrylate
56.Tetrachloroethene
57.1,1,2-Trichloroethane
58.Dibromochloromethane
59.1,3-Dichloropropane
60.n-Butyl acetate
61.1,2-Dibromoethane
62.2-Hexanone
63.2-Picoline (250 ppb)
64.Ethylbenzene
65.Chlorobenzene-d5 (IS)
66.Chlorobenzene
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.n-Propylbenzene
76.1,1,2,2-Tetrachloroethane
77.Bromobenzene
78.1,3,5-Trimethylbenzene
79.2-Chlorotoluene
80.1,2,3-Trichloropropane
81.4-Chlorotoluene
82.tert-Butylbenzene
83.1,2,4-Trimethylbenzene
84.Pentachloroethane
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
image
GC_EV00427
ColumnRtx-VMS, 60 m, 0.25 mm ID, 1.40 µm (cat.# 19916)
Sample
Diluent:water
Conc.: 10 ppb in 5mL RO water (unless noted); ketones 2.5x
Injectionpurge and trap split (split ratio 20:1)
Liner:1mm 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 26 mL/min
Bake: 8 min @ 260 °C
Interface Connection:injection port
Transfer Line Tubing:Silcosteel Treated 0.53mm ID tubing(cat.# 20595)
Transfer Line Temp.:120 °C
Oven
Oven Temp.:60 °C (hold 2 min) to 180 °C at 12 °C/min to 225 °C at 45 °C/min (hold 6 min)
Carrier GasHe, constant flow
Flow Rate:1.3 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 4.03 minutes @ 60C.
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