Residual Solvents Class 2 — Mix A on Rxi-624Sil MS (G43) by USP

Conc. prepared according to USP <467> method.

GC_PH1175

Column	Rxi^®-624Sil MS, 30 m, 0.32 mm ID, 1.80 µm (cat.# 13870)
Sample	Residual solvents Class 2 — Mix A (2013 Rev) (cat.# 36012)
Diluent:	Water
Injection
Inj. Vol.:	1000 µL headspace-loop split (split ratio 5:1)
Liner:	Premium 1.0 mm ID straight inlet liner (cat.# 23333.1)
Headspace-Loop
Inj. Port Temp.:	140 °C
Instrument:	Tekmar HT-3
Inj. Time:	1.0 min
Transfer Line Temp.:	105 °C
Valve Oven Temp.:	105 °C
Needle Temp.:	85 °C
Sample Temp.:	80 °C
Sample Equil. Time:	60 min
Mixer time:	5.0 min
Mixing level:	5
Mixer stabilize time:	0.50 min
Vial Pressure:	10 psi
Pressurize Time:	5.0 min
Pressure Equilibration Time:	0.20 min
Loop Pressure:	5.0 psi
Loop Fill Time:	2.0 min
Oven
Oven Temp.:	40 °C (hold 20 min) to 240 °C at 10 °C/min (hold 20 min)
Carrier Gas	He, constant flow
Flow Rate:	2.2 mL/min
Detector	FID @ 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
Instrument	Agilent/HP6890 GC

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