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Column | Rtx-DHA-150 150 m, 0.25 mm ID, 1.00 µm (cat.# 10149) |
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Stabilwax 1 m, 0.18 mm ID, 0.18 µm (cat.# 15118) | |
Standard/Sample | Gasoline |
Conc.: | "Neat" (undiluted) |
Injection | |
Inj. Vol.: | 0.1 µL split (split ratio 200:1) |
Liner: | 4 mm split Precision liner w/semivolatiles wool (cat.# 21022-231.1) |
Inj. Temp.: | 275 °C |
Oven | |
Oven Temp.: | Rtx-DHA-150: 40 °C (hold 1 min) to 245 °C at 1 °C/min Stabilwax: 45 °C (hold 1 min) to 250 °C at 1 °C/min |
Carrier Gas | He, corrected constant flow (1.8 mL/min) |
Modulation | |
Modulator Temp. Offset: | 20 °C |
Second Dimension Separation Time: | 3 sec |
Hot Pulse Time: | 0.8 sec |
Cool Time between Stages: | 0.7 sec |
Detector | FID @ 270 °C |
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Constant Column + Constant Make-up: | 50 mL/min |
Make-up Gas Type: | N2 |
Data Rate: | 200 Hz |
Instrument | LECO GCxGC-FID |
Notes | The Stabilwax column (cat.# 15118) is a 2 m column. A 1 m section was used as a second dimension column. IP deactivated guard column (cat.# 10102) is a 1 m column. A 0.2 m section was used as a transfer line from the second dimension column to the detector. |
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