Thermo Scientific DSQ II, Руководство по оборудованию

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1
Basic Operations
Installing a Column into the GC/MS System
12 DSQ II Hardware Manual Thermo Scientific
Figure 5. Transfer Line (Front)
6. Insert the column into the transfer line. Be careful not to move the septum.
7. Tighten the transfer line nut and the transfer line union. For proper operation, the
column must extend approximately 1 mm past the end of the transfer line.
8. Condition the transfer line ferrule. Graphite/vespel ferrules like the transfer line ferrule
require conditioning to ensure a leak-tight seal.
a. Raise the oven temperature to the maximum temperature you will operate the
column (normally 300 °C).
b. Wait 10 minutes.
c. Lower the oven temperature to 30 °C and allow it to cool before continuing.
d. Re-tighten the transfer line nut and the transfer line union.
9. Set up the TRACE GC Ultra.
a. Make sure the column does not have any sharp bends and that it does not touch any
metal objects or walls inside the oven.
b. Raise the oven temperature to the initial temperature you will use (normally 40 °C).
1 Septum 3 Transfer Line Union
2 Transfer Line Nut 4 Transfer Line
2
1
3
4
WARNING - BURN HAZARD:
The oven may be hot. Allow it to cool to room temperature
before opening it. The injector will still be hot, so do not touch it.
Note Turn on vacuum compensation (under the Right or Left Carrier menu).