GHB Analysis (GBL and AMGBL) on Rtx-BAC Plus 1

	Peaks
1.	GBL

	Peaks
2.	AMGBL

GC_CF1164

Column	Rtx-BAC Plus 1, 30 m, 0.32 mm ID, 1.8 µm (cat.# 18004)
Sample	Gamma-butyrolactone (GBL) (cat.# 34077)
	Alpha-methylene-gamma-butyrolactone (AMGBL) (cat.# 34079)
Injection	headspace-loop split (split ratio 10:1)
Liner:	1 mm straight inlet liner (cat.# 20972)
Headspace-Loop
Inj. Port Temp.:	200 °C
Instrument:	Tekmar HT3
Inj. Time:	1 min
Transfer Line Temp.:	125 °C
Valve Oven Temp.:	125 °C
Sample Temp.:	100 °C
Sample Equil. Time:	10 min
Vial Pressure:	30 psi
Pressurize Time:	2 min
Loop Pressure:	20 psi
Loop Fill Time:	1 min
Oven
Oven Temp.:	80 °C (hold 0 min) to 180 °C at 10 °C/min (hold 0 min)
Carrier Gas	He, constant flow
Linear Velocity:	48 cm/sec
Detector	FID @ 240 °C
Make-up Gas Flow Rate:	30 mL/min
Make-up Gas Type:	N₂
Instrument	Agilent/HP6890 GC
Notes	Sample was prepared by injecting 1 µL of each standard into a capped headspace vial. The mass of each compound inside the headspace vial was 1 µg. Headspace concentrator courtesy of Teledyne Tekmar, Mason, OH.

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GHB Analysis (GBL and AMGBL) on Rtx-BAC Plus 1

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	γ-Butyrolactone (GBL) cat.# 34077 Qty:
	α-Methylene-γ-butyrolactone (AMGBL) cat.# 34079 Qty:
	Rtx-BAC Plus 1 Columns cat.# 18004 Qty: