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Column | Rt-Msieve 5A, 15 m, 0.53 mm ID, 50 µm (cat.# 19721) |
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Standard/Sample | Permanent gases (custom mix) |
Injection | |
Inj. Vol.: | 30 µL split (split ratio 10:1) |
Liner: | Topaz 2.0 mm ID straight inlet liner (cat.# 23313) |
Inj. Temp.: | 150 °C |
Oven | |
Oven Temp.: | 30 °C (hold 10 min) |
Carrier Gas | H2, constant pressure (1.7 psi, 11.7 kPa) |
Detector | TCD @ 200 °C |
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Instrument | Agilent 7890B GC |
Notes | Resolution (Ar/O2) = 1.4 Asymmetry (CO) = 1.1 Note that the sample was introduced onto the column using syringe injection and a high split ratio, which results in a very narrow sample band. Any dead volume in the system (e.g., from using a sampling valve, large sampling loops, or even from using splitless injection) will result in peak broadening, which might decrease resolution between the peaks or even result in peak coelution. |
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