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.

gamma-Hydroxybutyrate (GHB) and gamma-Butyrolactone (GBL) on Rtx-BAC1 and Rtx-BAC2

GC_PH00870
Peaks
1.γ-hydroxybutyrate (GHB) / γ-butyrolactone (GBL)
2.α-methylene-γ-butyrolactone (AMGBL)
ColumnsRtx-BAC1 30 m, 0.32 mm ID, 1.8 µm (cat.# 18003)
and Rtx-BAC2 30 m, 0.32 mm ID, 1.2 µm (cat.# 18002)
with Universal “Y” Press-Tight Connector (cat.# 20405)
SampleGHB, GBL, α-methylene-γ-butyrolactone (AMGBL)
Conc.:10 µg/mL each in water
Injection
Inj. Vol.:1000 µL headspace-loop split (split ratio 10:1)
Liner:1mm Split (cat.# 20972)
Inj. Temp.:200 °C
Headspace-Loop
Instrument:Teledyne/Tekmar HT3
Transfer Line Temp.:120 °C
Sample Temp.:100 °C
Sample Equil. Time:15 min
Vial Pressure:10 psi
Pressurize Time:2 min
Loop Fill Time:2 min
Oven
Oven Temp.:50 °C (hold 3 min) to 150 °C at 20 °C/min (hold 7 min)
Carrier GasHe, constant pressure
Linear Velocity:44 cm/sec @ 50 °C
DetectorFID @ 240 °C
NotesMixing time: 5min