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

GC_EV00756
Column | Rtx-440, 30 m, 0.32 mm ID, 0.25 µm (cat.# 12924) |
Sample | 515.4 Methylated Chlorinated Acids Mix (cat.# 32444) |
Diluent: | MTBE |
Conc.: | 10-100µg/mL each methyl ester |
Injection | |
Inj. Vol.: | 1.0 µL splitless (hold 0.45 min) |
Liner: | Double Gooseneck Splitless (4mm) (cat.# 20784) |
Inj. Temp.: | 225 °C |
Oven | |
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 Gas | He, constant pressure (10.5 psi, 72.4 kPa) |
Temp.: | 70 °C |
Detector | ECD @ 320 °C |
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