Welcome to the New Restek.com! Take a tour of the new site and feel free to send us your feedback.

Your web browser will no longer be supported by Restek.com as of 30 June 2021.
To avoid any interruption in access or functionality, install a current-generation web browser now. Learn more.

Comparison of Glycols Before and After 600 Water Injections on Rtx-Wax

PeakstR (min)
1.2-Butoxyethanol (IS)5.55
2.Propylene glycol6.27
3.Ethylene glycol6.41
ColumnRtx-Wax, 30 m, 0.53 mm ID, 1.00 µm (cat.# 12455)
Standard/SampleGlycols standard (cat.# 30471)
Diluent:Water:methanol (90:10)
Conc.:50 µg/mL (1 ng on-column)
Inj. Vol.:1 µL split (split ratio 50:1)
Liner:Premium 4 mm Precision inlet liner w/wool (cat.# 23305.1)
Inj. Temp.:250 °C
Oven Temp.:40 °C (hold 1 min) to 250 °C at 30 °C/min
Carrier GasHe, constant flow
Flow Rate:5.7 mL/min
Linear Velocity:40 cm/sec
DetectorFID @ 250 °C
Make-up Gas Flow Rate:45 mL/min
Make-up Gas Type:N2
Hydrogen flow:40 mL/min
Air flow:450 mL/min
Data Rate:20 Hz
InstrumentAgilent/HP6890 GC