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|Column||Rt-βDEXm, 30 m, 0.32 mm ID, 0.25 µm (cat.# 13101)|
|Inj. Vol.:||1 µL split (split ratio 100:1)|
|Liner:||Topaz 4.0 mm ID Precision inlet liner w/ wool (cat.# 23305)|
|Inj. Temp.:||210 °C|
|Oven Temp.:||40 °C (hold 1 min) to 230 °C at 2 °C/min (hold 3 min)|
|Carrier Gas||H2, constant flow|
|Linear Velocity:||80 cm/sec @ 40 °C|
|Detector||FID @ 230 °C|
|Constant Column + Constant Make-up:||51.4 mL/min|
|Make-up Gas Type:||N2|
|Hydrogen flow:||40 mL/min|
|Air flow:||400 mL/min|
|Data Rate:||50 Hz|
|Instrument||Agilent 7890A GC|
|Sample Preparation||(±)-Menthol (2% solution) was dissolved in acetone to a final concentration of 1000 ppm in 2 mL, screw-thread vials (cat.# 21143), and capped with short-cap, screw-vial closures (cat.# 24495).|
|Notes||Enantiomeric resolution of (±)-menthol was 1.7.|
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