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Chlorophenoxyacid Herbicides (methyl esters) US EPA Method 515 by GC/ECD on Rtx-440

ColumnRtx-440, 30 m, 0.32 mm ID, 0.25 µm (cat.# 12924)
Sample515.4 Methylated Chlorinated Acids Mix (cat.# 32444)
Conc.: 10-100µg/mL each methyl ester
Inj. Vol.:1.0 µL splitless (hold 0.45 min)
Liner:Double Gooseneck Splitless (4mm) (cat.# 20784)
Inj. Temp.:225 °C
Oven Temp.:70 °C (hold 1 min) to 210 °C at 20 °C/min (hold 1 min) to 300 °C at 5 °C/min
Carrier GasHe, constant pressure (10.5 psi, 72.4 kPa)
Temp.:70 °C
DetectorECD @ 320 °C