Contents
ii
Filling and placing the bottles ........................................................................37
Do you need to read further? .........................................................................40
Estimating the maximum number of sample vials ......................................42
Controlling sample carryover .........................................................................47
Selecting and installing syringes ............................................................................49
Selecting syringes ............................................................................................49
Inspecting syringes ..........................................................................................51
Installing syringes ............................................................................................52
Checking your work ........................................................................................53
Maintaining the inlet ................................................................................................54
Changing septa .................................................................................................54
Changing or cleaning liners ............................................................................55
Suggestions for packed inlets with 530-µm columns ..................................55
Adapting for cool on-column injection .................................................................55
Chapter 3 Operation
Setting the run parameters .....................................................................................59
Description of the parameters .......................................................................59
Injection mode ...............................................................................................63
What happens during a run? ...................................................................................66
Checklist ...................................................................................................................68
Running the samples ...............................................................................................69
Starting a run or sequence ..............................................................................69
Stopping or interrupting a run or sequence ..................................................69
Using two injectors ..................................................................................................70
With a tray .........................................................................................................70
Without a tray ...................................................................................................72
Four methods of control .........................................................................................73
Examples of operation ............................................................................................74
Preparing the GC and controlling device ......................................................74
6890 Series GC Control ...........................................................................................75
Configure tower position ................................................................................75
Configure waste bottle position with a tray .................................................75
Configure the injector .....................................................................................75
Injector parameter setpoints ..........................................................................76
Sample tray setpoints ......................................................................................76
Storing injector setpoints ................................................................................77
Operating in cool on-column mode ...............................................................77
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