Your web browser will no longer be supported by Restek.com as of 30 June 2021.
To avoid any interruption in access or functionality, install a current-generation web browser now. Learn more.
Column | Rtx-VMS, 20 m, 0.18 mm ID, 1.00 µm (cat.# 49914) |
---|---|
Standard/Sample | |
Diluent: | Water |
Conc.: | 10 ppb in 5 mL RO water (unless noted); ketones 2.5X |
Injection | purge and trap split (split ratio 40:1) |
Liner: | 1 mm split (cat.# 20973) |
Inj. Temp.: | 220 °C |
Purge and Trap | |
Instrument: | Tekmar LCS 3100 |
Trap Type: | Vocarb 3000 |
Purge: | 11 min @ ambient, flow 40 mL/min |
Dry Purge: | 1 min, flow 40 mL/min |
Desorb Preheat Temp.: | 245 °C |
Desorb: | 2 min @ 250 °C, flow 40 mL/min |
Bake: | 8 min @ 260 °C |
Interface Connection: | injection port |
Transfer Line Tubing: | Silcosteel-treated 0.53 mm ID tubing (cat.# 20595) |
Transfer Line Temp.: | 120 °C |
Oven | |
Oven Temp.: | 50 °C (hold 4 min) to 100 °C at 18 °C/min (hold 0 min) to 230 °C at 40 °C/min (hold 3 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1.0 mL/min |
Detector | MS |
---|---|
Mode: | Scan |
Transfer Line Temp.: | 280 °C |
Analyzer Type: | Quadrupole |
Tune Type: | BFB |
Ionization Mode: | EI |
Scan Range: | 35-300 amu |
Instrument | HP6890 GC & 5973 MSD |
Notes | For proper flows, adjust retention time of dichlorodifluoromethane to a retention time of 1.03 minutes @ 50 °C |
We have determined your location as:
Or select your location below:
Sorry! We are unable to determine your location. Please select your location below.