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|Column||Rtx-1701, 30 m, 0.25 mm ID, 0.25 µm (cat.# 12023)|
|Standard/Sample||Sugar TFA oximes|
|Conc.:||1-5 mg of starting material|
|Inj. Vol.:||1 µL split (split ratio 100:1)|
|Liner:||Topaz 4.0 mm ID Precision Inlet Liner w/ Wool (cat.# 23305)|
|Inj. Temp.:||250 °C|
|Oven Temp.:||150 °C (hold 1 min) to 280 °C at 28 °C/min|
|Carrier Gas||He, constant flow|
|Flow Rate:||1.4 mL/min|
|Linear Velocity:||45.023 cm/sec @ 150 °C|
|Dead Time:||1.115 min @ 150 °C|
|Transfer Line Temp.:||280 °C|
|Source Temp.:||280 °C|
|Quad Temp.:||150 °C|
|Electron Energy:||978 eV|
|Solvent Delay Time:||1.5 min|
|Instrument||Agilent 7890B GC & 5977A MSD|
|Notes||Approximately 1 of mg sugar was dissolved in 100 μL of 40 mg/mL ethylhydroxylaminehydrochloride (EtOx) and heated at 70°C for 30 min. Samples were cooled to room temperature for approximately 5 min. 120 μL of N-Methyl-bis(trifluoroacetamide) (MBTFA) was added to each sample and then heated at 70°C for 30 min. Samples were diluted 1:100 in ethyl acetate.|
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