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Volatile Organics by EPA 8260B & Oxygenates on Rtx-VMS

Peaks
1.Dichlorodifluoromethane
2.Chloromethane
3.Vinyl chloride
4.Bromomethane
5.Chloroethane
6.Trichlorofluoromethane
7.1,1-Dichloroethene
8.Carbon disulfide (250ppb)
9.Freon®113
10.Iodomethane
11.Acrolein (250ppb)
12.Allyl chloride
13.Methylene chloride
14.Acetone
15.trans-1,2-Dichloroethene
16.Methyl tert-butyl ether
17.tert-butyl alcohol (250ppb)
18.Chloroprene
19.1,1-Dichloroethane
20.Acrylonitrile
21.Vinyl acetate
22.cis-1,2-Dichloroethene
23.2,2-Dichloropropane
24.Bromochloromethane
25.Chloroform
26.Carbon tetrachloride
27.Tetrahydrofuran (250ppb)
28.Methyl acrylate
29.Ethyl acetate
30.1,1,1-Trichloroethane
31.2-Butanone (250ppb)
32.1,1-Dichloropropene
33.Propionitrile
34.Benzene
35.Methacrylonitrile
36.1,2-dichloroethane-d4
37.1,2-Dichloroethane
38.Isobutyl alcohol (400ppb)
39.Fluorobenzene
40.Isopropyl acetate
41.Trichloroethene
42.Dibromomethane
43.1,2-Dichloropropane
44.Bromodichloromethane
45.Methyl methacrylate
46.1,4-Dioxane (250ppb)
47.n-Propyl acetate
48.2-Chloroethyl vinyl ether
49.cis-1,3-Dichloropropene
50.Toluene-d8
Peaks
51.Toluene
52.4-Methyl-2-pentanone (250ppb)
53.Tetrachloroethene
54.trans-1,3-Dichloropropene
55.2-Bromo-1-chloropropane
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 (250ppb)
63.Chlorobenzene
64.Ethylbenzene
65.1,1,1,2-Tetrachloroethane
66.m-Xylene
67.p-Xylene
68.1-Chloro-2-fluorobenzene
69.o-Xylene
70.Styrene
71.Bromoform
72.Isopropylbenzene
73.4-Bromo-1-fluorobenzene
74.cis-1,4-Dichloro-2-butene
75.Bromobenzene
76.1,4-Dichlorobutane
77.n-Propylbenzene
78.1,1,2,2-Tetrachloroethane
79.2-Chlorotoluene
80.1,2,3-Trichloropropane
81.1,3,5-Trimethylbenzene
82.trans-1,4-Dichloro-2-butene
83.4-Chlorotoluene
84.tert-Butylbenzene
85.Pentachloroethane
86.1,2,4-Trimethylbenzene
87.sec-Butylbenzene
88.p-Isopropyltoluene
89.1,3-Dichlorobenzene
90.1,4-Dichlorobenzene
91.n-Butylbenzene
92.1,2-Dichlorobenzene-D4
93.1,2-Dichlorobenzene
94.4-Bromo-1-chlorobenzene
95.1,2-Dibromo-3-Chloropropane
96.Nitrobenzene (250ppb)
97.Hexachlorobutadiene
98.1,2,4-Trichlorobenzene
99.Naphthalene
100.1,2,3-Trichlorobenzene
51A.1,1-dichloro-2-propanone (250ppb)
image
GC_EV00423
ColumnRtx-VMS, 60 m, 0.45 mm ID, 2.55 µm (cat.# 19909)
Sample
Conc.:100 ppb in 25 mL of RO water (unless otherwise noted) ketones, acetates, & alcohols in at 2.5x
Injectionpurge and trap split (split ratio 10:1)
Purge and Trap
Instrument:Tekmar LSC-3000 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 10 mL/min
Bake: 8 min @ 260 °C
Interface Connection:direct
Transfer Line Tubing:0.32mm ID Siltek transfer line
Oven
Oven Temp.:40 °C (hold 7 min) to 50 °C at 9 °C/min to 110 °C at 27 °C/min (hold 1 min) to 225 °C at 40 °C/min (hold 3 min)
Carrier GasHe
DetectorMS
Mode:Scan
Scan Range:35-300 amu
InstrumentHP5890 GC & 5971 MSD
NotesCarrier gas: constant pressure at ~ 10 mL/min.
Adjust dichlorodifluoromethane to a retention time of 1.72 min. @ 40°C.

Dry purge: MCS bypassed using Silcosteel tubing.
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