Dynamic Headspace USP <467> solvents on Rtx-1301 (G43)

Oven
Column	Rtx-1301 (G43), 30 m, 0.53 mm ID, 3.00 µm (cat.# 16085-126)
Standard/Sample	USP <467> Calibration Mixture #5 (cat.# 36007)
Diluent:	DMSO stock standard
Conc.:	To each 22mL headspace vial 5ml water, ~ 1.0g of sodium sulfate and 100µL of stock standard were added. The preparations yielded the concentrations above.
Injection	headspace-trap split
Oven Temp.:	40 °C (hold 20 min) to 240 °C at 25 °C/min (hold 10 min)
Carrier Gas	He, constant flow
Flow Rate:	5 mL/min

Detector	FID @ 250 °C
Make-up Gas Flow Rate:	45 mL/min
Notes	Detector: Hydrogen flow: 40 mL/min Air flow: 450 mL/min Dynamic Headspace (Trap) Conditions: Instrument: Teledyne Tekmar HT3 Valve oven temp.: 150°C Transfer line temp.: 150°C Standby flow rate: 10mL/min. Trap standby temp.: 40°C Platen/sample temp.: 80°C Sample equil. time: 15.00 min. Mixer time: 2.00 min. Mixing level: 5 Mixer stabilize time: 0.50 min. Sweep flow rate: 75mL/min. Sweep flow time: 3.00 min. Dry purge time: 5.00 min. Dry purge flow: 50mL/min. Dry purge temp.: 25°C Desorb preheat: 245°C Desorb temp.: 250°C Desorb time: 1.00 min. Trap bake temp.: 300°C Trap bake time: 6.00 min. Trap bake flow: 450mL/min.

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