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Organic Volatile Impurities Rtx-200 & Rtx-WAX (GC xGC)

Organic Volatile Impurities Rtx-200 & Rtx-WAX (GC xGC)

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GC_PH00888
ColumnRtx-200 60 m, 0.25 mm ID, 1.00 µm (cat.# 15056)
Rtx-Wax 2 m, 0.18 mm ID, 0.3 µm (cat.# custom)
Samplemix of 69 neat organic volatile impurities
Injection
Inj. Vol.:0.2 µL split (split ratio 600:1)
Liner:4mm Split w/Wool (cat.# 20781)
Inj. Temp.:250 °C
Oven
Oven Temp.:Rtx-200: 35 °C (hold 9 min) to 220 °C at 3 °C/min (hold 1 min)
Rtx-Wax : 65 °C (hold 9 min) to 250 °C at 3 °C/min (hold 1 min)
Carrier GasHe, constant flow
Flow Rate:1.5 mL/min
Modulation
Modulator Temp. Offset:30 °C
Second Dimension Separation Time:4 sec
Hot Pulse Time:0.3 sec
Cool Time between Stages:1.7 sec
DetectorFID @ 250 °C
Make-up Gas Flow Rate:45 mL/min
Data Rate:200 Hz
InstrumentAgilent 6890 with LECO liquid nitrogen cryojet modulator
NotesInjection:
injection with band formation (fast injection); gas saver: 20mL/min. after 1 min.

FID:
hydrogen: 40mL/min.
air: 450mL/min.
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