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Volatile Organics (Canada) on Rtx-VMS

ColumnRtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
Standard/SampleCanadian Drinking Water Volatiles Mix (2000μg/mL each component) (cat.# 30610)
Diluent:25mL water
Conc.: 50 ppb each analyte
Injectionpurge and trap split (split ratio 35:1)
Liner:1mm Split (cat.# 20972-214.1)
Inj. Temp.:200 °C
Purge and Trap
Instrument:OI 4660 Eclipse Purge and Trap
Trap Type:#10 (Tenax/silica gel/carbon molecular sieve)
Purge: 11 min, flow 40 mL/min
Desorb Preheat Temp.:185 °C
Desorb: 0.5 min @ 190 °C, flow 35.0 mL/min
Bake: 6 min @ 210 °C
Transfer Line Temp.:150 °C
Oven
Oven Temp.:35 °C (hold 5 min) to 70 °C at 5 °C/min to 220 °C at 20 °C/min (hold 3 min)
Carrier GasHe, constant linear velocity
Linear Velocity:30 cm/sec @ 35 °C
DetectorMS
Mode:Scan
Transfer Line Temp.:150 °C
Ionization Mode:EI
Scan Range:35-250 amu
NotesSample Temp.: 40 °C