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Sugar alditol acetates on Rtx-225

PeakstR (min)
1.Rhamnitol acetate9.163
2.Fucitol acetate9.322
3.Ribitol acetate9.797
4.Arabitol acetate10.052
5.Glucitol acetate14.792
6.Mannitol acetate15.562
7.Galactitol acetate16.35
8.Inositol acetate16.883
ColumnRtx-225, 30 m, 0.25 mm ID, 0.25 µm (cat.# 14023)
Standard/SampleAlditol Acetate Mixture-1 (Matreya, LLC, cat.#1124)
Alditol Acetate Mixture-2 (Matreya, LLC, cat.#1125)
Conc.:50,000 µg/mL
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 Temp.:40 °C (hold 0.5 min) to 220 °C at 30 °C/min (hold 15 min)
Carrier GasHe, constant flow
Flow Rate:1.4 mL/min
Linear Velocity:42.906 cm/sec @ 40 °C
Dead Time:1.21 min @ 40 °C
Scan Program:
GroupStart Time
Scan Range
Scan Rate
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
InstrumentAgilent 7890B GC & 5977A MSD