EPA Method 8140/8141/8141A Organophosphorus Pesticides on Rtx-35

GC_EV00412

	Peaks
1.	Dichlorvos
2.	Hexamethylphosphoramide
3.	Mevinphos
4.	Trichlorfon
5.	Tributyl phosphate (SS)
6.	Demeton-o
7.	TEPP
8.	Thionazin
9.	Ethoprop
10.	Naled
11.	Sulfotepp
12.	Phorate
13.	Dicrotophos
14.	Demeton-S
15.	Terbufos
16.	monocrotophos
17.	Diazinon

	Peaks
18.	Fonophos
19.	Disulfoton
20.	Dioxathion
21.	Dimethoate
22.	Phosphamidon isomer
23.	Dichlorofenthion
24.	Aspon
25.	Phosphamidon
26.	Ronnel
27.	Methyl parathion
28.	Fenitrothion
29.	Trichloronate
30.	Chlorpyrifos methyl
31.	Chlorpyrifos
32.	Merphos
33.	Malathion
34.	Parathion-ethyl

	Peaks
35.	Fenthion
36.	Chlorfenvinphos
37.	Crotoxyphos
38.	merphos oxone
39.	Prothiofos
40.	Stirofos
41.	Ethion
42.	Sulprofos
43.	Fensulfothion
44.	Carbophenothion
45.	Famphur
46.	Triphenyl phosphate (SS)
47.	EPN
48.	Phosmet
49.	Leptophos
50.	Tri-o-cresyl phosphate
51.	Azinphos-methyl
52.	Azinphos-ethyl
53.	Coumaphos

Injection
Column	Rtx-35, 30 m, 0.32 mm ID, 0.25 µm (cat.# 10424)
Standard/Sample	Custom Pesticide Mix
Conc.:	200 ng/mL
Inj. Vol.:	1.0 µL splitless (hold 1.0 min)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	100 °C to 180 °C at 10 °C/min (hold 2 min) to 300 °C at 18 °C/min (hold 3 min)

Detector	FPD @ 280 °C

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