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Residual Solvents Rxi-624Sil MS

Residual Solvents Rxi-624Sil MS

Peaks
1.Methanol
2.Acetonitrile
3.Dichloromethane
4.trans-1,2-Dichloroethene
5.cis-1,2-Dichloroethene
6.Tetrahydrofuran
7.Cyclohexane
Peaks
8.Methylcyclohexane
9.1,4-Dioxane
10.Toluene
11.Chlorobenzene
12.Ethyl benzene
13.m-Xylene / p-Xylene
14.o-Xylene
image
GC_PH01116
ColumnRxi-624Sil MS, 30 m, 0.32 mm ID, 1.80 µm (cat.# 13870)
SampleResidual Solvents Class 2 - Mix A (cat.# 36271)
Diluent:water
Conc.: 20 μL Residual Solvents Class 2 - Mix A in 6mL water placed in a 20mL headspace vial (Conc. not consistent with USP <467> methodology.)
Injection
Inj. Vol.:1000 µL headspace-syringe split (split ratio 3:1)
Liner:1mm Split liner (cat.# 20972)
Inj. Temp.:140 °C
Oven
Oven Temp.:40 °C (hold 20 min) to 240 °C at 10 °C/min (hold 20 min)
Carrier GasHe, constant flow
Flow Rate:2.2 mL/min
DetectorFID @ 250 °C
Make-up Gas Flow Rate:45 mL/min
InstrumentAgilent/HP6890 GC
NotesHydrogen: 40mL/min.
Air: 450mL/min.

Note: manual headspace injection
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