Residual Solvents (Class 2 - Mixture B) for Water-Soluble Articles on Rxi-624Sil MS

PeakstR (min)Conc.
(µg/mL)
1.Hexane5.3552.42
2.Nitromethane6.7930.42
3.Chloroform8.0920.50
4.1,2-Dimethoxyethane9.9800.83
5.Trichloroethene12.9410.67
6.Pyridine21.3031.67
7.2-Hexanone24.8620.42
8.Tetralin33.7810.83
image
GC_PH1148
ColumnRxi-624Sil MS, 30 m, 0.32 mm ID, 1.80 µm (cat.# 13870)
SampleResidual solvents class 2 - mix B (cat.# 36280)
Diluent:Water
Injectionheadspace-loop split (split ratio 5:1)
Liner:1 mm split (cat.# 20972)
Headspace-Loop
Inj. Port Temp.:140 °C
Instrument:Tekmar HT3
Inj. Time:1 min
Transfer Line Temp.:110 °C
Valve Oven Temp.:110 °C
Sample Temp.:80 °C
Sample Equil. Time:60 min
Vial Pressure:10 psi
Pressurize Time:0.5 min
Pressure Equilibration Time:0.05 min
Loop Pressure:5 psi
Loop Fill Time:0.1 min
Oven
Oven Temp.:40 °C (hold 20 min) to 240 °C at 10 °C/min (hold 20 min)
Carrier GasHe, constant flow
Linear Velocity:35 cm/sec
Dead Time:1.45 min @ 40 °C
DetectorFID @ 250 °C
Data Rate:5 Hz
InstrumentAgilent/HP6890 GC
AcknowledgementTeledyne Tekmar
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