Nitrogen/Phosphorus Pesticides & Herbicides US EPA Method 619 on Rtx-CLPesticides & Rtx-CLPesticides2 (dual column analysis)

Standard/Sample
Columns	Rtx-CLPesticides 30 m, 0.32 mm ID, 0.50 µm (cat.# 11139)
	and Rtx-CLPesticides2 30 m, 0.32 mm ID, 0.25 µm (cat.# 11324)
	using IP Deactivated Guard Column 5 m, 0.32 mm ID (cat.# 10044)
	with Universal Angled “Y” Press-Tight Connector (cat.# 20403)

Conc.:	50 pg on-column each compound
Injection	Direct
Liner:	DI Uniliner Liner for Agilent 5890 Packed Column GC (1.7mm ID x 3.0mm OD x 93mm) (cat.# 20964)
Inj. Temp.:	250 °C
Oven
Oven Temp.:	100 °C to 250 °C at 4 °C/min (hold 5 min)
Carrier Gas	H₂, constant pressure (9.65 psi, 66.5 kPa)

Detector	NPD @ 275 °C
Instrument	Agilent/HP6890 GC
Notes	HP 6890 with purged packed injection port and adaptor for an HP 5890 (cat.# 21303).

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