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Organochlorine Pesticides US EPA Method 8081 on Rtx-440

GC_EV00733
PeakstR (min)on column concentration ppb
1.2,4,5,6-tetrachloro- m-xylene (ss) 3.53880
2.α-BHC3.93180
3.γ-BHC 4.21180
4.β-BHC4.35680
5.δ-BHC 4.56080
6.Heptachlor4.71580
7.Aldrin4.99580
8.Heptachlor epoxide5.34680
9.γ-Chlordane5.57680
10.α-Chlordane5.65380
11.Endosulfan I5.69880
PeakstR (min)on column concentration ppb
12.4,4’-DDE5.800160
13.Dieldrin5.959160
14.Endrin6.190160
15.4,4’-DDD6.309160
16.Endosulfan II6.404160
17.endrin aldehyde6.543160
18.4,4’-DDT6.662160
19.Endosulfan sulfate6.810160
20.Methoxychlor7.198800
21.Endrin ketone7.355160
22.decachlorobiphenyl (ss)8.813160
ColumnRtx-440, 30 m, 0.32 mm ID, 0.50 µm (cat.# 12939)
using IP Deactivated Guard Column 5 m, 0.32 mm ID (cat.# 10044)
SampleOrganochlorine Pesticide Mix AB #2 (cat.# 32292)
2,4,5,6-Tetrachloro-m-xylene (cat.# 32027)
Decachlorobiphenyl (BZ #209) (cat.# 32029)
Diluent:Hexane
Injection
Inj. Vol.:1.0 µL splitless (hold 0.75 min)
Liner:Drilled Uniliner (hole near top) (cat.# 21055)
Inj. Temp.:225 °C
Oven
Oven Temp.:140 °C (hold .5 min) to 268 °C at 30 °C/min to 290 °C at 11 °C/min to 330 °C at 25 °C/min (hold 5 min)
Carrier GasH2, constant pressure
Linear Velocity:73 cm/sec @ 140 °C
DetectorECD @ 320 °C