Organophosphorus Pesticides US EPA Method 8140/8141/8141A on Rtx-1

GC_EV00415

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

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

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

Oven
Column	Rtx-1, 30 m, 0.32 mm ID, 0.50 µm (cat.# 10139)
Standard/Sample	Triphenylphosphate (cat.# 32281)
	Tributylphosphate (cat.# 32280)
	8140/8141 OP Pesticide Calibration Mix A (cat.# 32277)
	8141 OP Pesticide Calibration Mix B (cat.# 32278)
Diluent:	Hexane
Conc.:	Total OPP custom standard mix (0.2µg/mL), 1µL US EPA Method 8141A custom standard mixes (200ng/mL)
Injection	splitless (hold 1.0 min)
Inj. Temp.:	250 °C
Oven Temp.:	100 °C to 180 °C at 10 °C/min (hold 2 min) to 300 °C at 18 °C/min (hold 3 min)
Dead Time:	0.78 min @ 100 °C

Detector	FPD @ 280 °C