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2,3,7,8-Tetrachlorodibenzodioxin Resolved from other TCDD congeners on Rtx-Dioxin2 column.

ColumnRtx-Dioxin2, 60 m, 0.25 mm ID, 0.25 µm (cat.# 10758)
SampleWMS-01 Reference Material, Wellington Laboratories
Inj. Temp.:250 °C
Oven Temp.:130 °C (hold 1.0 min) to 200 °C at 40 °C/min to 235 °C at 3.0 °C/min to 300 °C at 5 °C/min (hold 10 min)
Carrier GasHe, constant flow
Flow Rate:1.5 mL/min
DetectorMicromass Ultima high-resolution mass spectrometer
Ionization Mode:EI
NotesDetector mode: SIR
AcknowledgementChromatogram courtesy of Terry Kolic, Karen MacPherson, Eric Reiner, Ontario Ministry of the Environment, Toronto, Ontario, Canada