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Method 8081B Chlorinated Pesticides on Rtx-CLPesticides2

Method 8081B Chlorinated Pesticides on Rtx-CLPesticides2

Peaks
1.Dibromochloropropane
2.Hexachlorocyclopentadiene
3.Tetrachloro-m-xylene
4.cis-diallate
5.Hexachlorobenzene
6.trans-diallate
7.α-BHC
8.γ-BHC
9.β-BHC
10.δ-BHC
11.Heptachlor
12.Aldrin
13.Isodrin
14.Heptachlor epoxide
Peaks
15.trans-Chlordane*
16.cis-Chlordane*
17.Endosulfan I
18.4,4'-DDE
19.Dieldrin
20.Endrin/chlorobenzilate
21.4,4'-DDD
22.Endosulfan II
23.4,4'-DDT
24.Endrin aldehyde
25.Endosulfan sulfate
26.Methoxychlor
27.Endrin ketone
28.Decachlorobiphenyl
* For information regarding the nomenclature used for cis-chlordane and trans-chlordane, visit www.restek.com/chlordane-notice
image
GC_EV1145
ColumnRtx-CLPesticides2, 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
SampleOrganochlorine Pesticide Mix AB #1 (cat.# 32291)
Pesticide Surrogate Mix, EPA 8080, 8081 (cat.# 32000)
Organochlorine Pesticide Mix C #1 (cat.# 32296)
Diluent:hexane
InjectionDirect
Liner:Drilled Uniliner
Inj. Temp.:220 °C
Oven
Oven Temp.:80 °C (hold 1 min) to 300 °C at 9 °C/min (hold 10 min)
Carrier GasHe
DetectorECD @ 310 °C
NotesSample: 0.5 - 1.0 mL solvent extracted sample exchanged into hexane
Standards and surrogates were spiked into hexane
Tube: 3 mL, 250 mg CarboPrep 90
Tube conditioning: Apply 2 mL CH2Cl2:hexane (20:80) and pass through tube
Extract cleanup: Prepare collection rack with vials, place under each tube. Add 0.5 - 1.0 mL of extracted sample to tube and collect all solutions passing through. Do not expose carbon bed to air. Add 20 mL of CH2Cl2:hexane (20:80) to tube and allow it to elute using gravity feed.
Extract concentration: Solvent exchange extract to hexane
Do not allow extracts to dry completely
Concentrate extract to 0.5 - 1.0 mL
Sample is ready for analysis.
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