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Residual Solvents and Gases on Rxi-624Sil MS via HS-Syringe-GC-FID

Column | Rxi-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868) |
Sample | Residual solvents #1 (cat.# 34105) |
n-Propane, isobutane, n-butane (Emerald Scientific) | |
Diluent: | N,N-Dimethylacetamide |
Conc.: | 10 µg/mL |
Injection | |
Inj. Vol.: | 250 µL headspace-syringe split (split ratio 10:1) |
Liner: | Topaz 1.8 mm ID straight/SPME inlet liner (cat.# 23280) |
Inj. Temp.: | 280 °C |
Headspace-Syringe | |
Split Vent Flow Rate: | 20 mL/min |
Instrument: | PAL RTC |
Syringe Temp.: | 150 °C |
Sample Temp.: | 80 °C |
Sample Equil. Time: | 45 min |
Inj. Speed: | 1700 µL/sec |
Oven | |
Oven Temp.: | 30 °C (hold 6 min) to 85 °C at 15 °C/min (hold 2 min) to 250 °C at 35 °C/min |
Carrier Gas | He, constant flow |
Flow Rate: | 2 mL/min |
Linear Velocity: | 40.63 cm/sec |
Detector | FID @ 320 °C |
Make-up Gas Flow Rate: | 40 mL/min |
Make-up Gas Type: | N2 |
Hydrogen flow: | 45 mL/min |
Air flow: | 450 mL/min |
Data Rate: | 20 Hz |
Instrument | Agilent 7890B GC |
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