Herbicides on Rtx-CLPesticides & Rtx-CLPesticides2

GC_EV00971

	Peaks
1.	Dalapon methyl ester
2.	3,5-Dichlorobenzoic acid methyl ester (SS)
3.	4-Nitroanisole
4.	DCAA methyl ester (SS)
5.	Dicamba methyl ester
6.	MCPP methyl ester
7.	MCPA Methyl ester
8.	Dichlorprop, methyl ester
9.	4,4'-DBOB (IS)
10.	2,4-D methyl ester

	Peaks
11.	Pentachloroanisole
12.	2,4,5-TP, methyl ester
13.	2,4,5-T methyl ester
14.	Chloramben, methyl ester
15.	2,4-DB methyl ester
16.	Dinoseb methyl ester
17.	Bentazon methyl ester
18.	DCPA methyl ester (Chlorthal-dimethyl)
19.	Pichloram methyl ester
20.	Acifluorfen methyl ester

C. contaminant

Injection
Columns	Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
	and Rtx-CLPesticides 30 m, 0.32 mm ID, 0.32 µm (cat.# 11141)
	using Rxi deactivated guard column 5 m, 0.32 mm ID (cat.# 10039)
	with universal “Y” Press-Tight connector (cat.# 20405-261)

Standard/Sample	200 ng/mL herbicide mix #1 (cat.# 32055)
	1,000 ng/mL dalapon methyl ester (cat.# 32057)
	20,000 ng/mL herbicide mix #3 (cat.# 32059)
	200 ng/mL herbicide mix #4 (cat.# 32062)
	250 ng/mL 4,4'-dibromooctafluorobiphenyl (cat.# 32053)
	400 ng/mL 2,4-dichlorophenyl acetic acid methyl ester (cat.# 32050)
Diluent:	hexane
Inj. Vol.:	1.0 µL splitless (hold 0.75 min)
Liner:	Cyclo double taper (4 mm) (cat.# 20895)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	70 °C (hold 0.5 min) to 190 °C at 25 °C/min (hold 1 min) to 300 °C at 11 °C/min (hold 5 min)
Carrier Gas	He, constant pressure
Linear Velocity:	36 cm/sec @ 70 °C

Detector	Micro_ECD @ 325 °C
Instrument	Agilent/HP6890 GC
Notes	This chromatogram was obtained using an Agilent micro-ECD. To obtain comparable results, you will need to employ a micro-ECD in addition to confirmational dual columns connected to a 5-meter guard column using a “Y” Press-Tight connector.

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