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Peaks | tR (min) | |
---|---|---|
1. | Rhamnose alditol acetate | 8.762 |
2. | Mannose alditol acetate | 8.831 |
3. | Galactose alditol acetate | 8.953 |
4. | Xylose alditol acetate | 9.066 |
5. | Fucose alditol acetate | 11.186 |
6. | Glucose alditol acetate | 12.133 |
7. | Ribose alditol acetate | 12.275 |
8. | Xylitol acetate | 12.303 |
Column | Rtx-1701, 30 m, 0.25 mm ID, 0.25 µm (cat.# 12023) |
---|---|
Standard/Sample | Alditol Acetate Mixture-1 (Matreya, LLC, cat.# 1124) |
Alditol Acetate Mixture-2 (Matreya, LLC, cat.# 1125) | |
Diluent: | Chloroform |
Conc.: | 50,000 µg/mL |
Injection | |
Inj. Vol.: | 1 µL split (split ratio 400:1) |
Liner: | Topaz 4.0 mm ID Precision Inlet Liner w/ Wool (cat.# 23305) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 40 °C (hold 0.5 min) to 230 °C at 30 °C/min (hold 7 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1.4 mL/min |
Linear Velocity: | 42.906 cm/sec @ 40 °C |
Dead Time: | 1.165 min @ 40 °C |
Detector | MS | ||||||||
---|---|---|---|---|---|---|---|---|---|
Mode: | Scan | ||||||||
Scan Program: | |||||||||
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Transfer Line Temp.: | 280 °C | ||||||||
Analyzer Type: | Quadrupole | ||||||||
Source Type: | Extractor | ||||||||
Source Temp.: | 280 °C | ||||||||
Quad Temp.: | 150 °C | ||||||||
Electron Energy: | 978 eV | ||||||||
Solvent Delay Time: | 1.5 min | ||||||||
Tune Type: | PFTBA | ||||||||
Ionization Mode: | EI | ||||||||
Instrument | Agilent 7890B GC & 5977A MSD |