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94 Operation Manual

5 Using the Removable Ion Source

To Change the Ion Source



The steps necessary for changing the ion source are provided

here and also interactively in the MassHunter Workstation

software. The process is mostly automated, with the exception

of the use of the RIS probe extraction tool to remove and install

the ion source. Purging the chamber, cooling the source, and

pumping down are all performed with the use of the

Workstation software.

Procedure

1 From MassHunter Data Acquisition software control view,

click the MS Tune icon to display the GC/Q-TOF Tune dialog box.

2 Click the Removable Ion Source tab in the GC/Q-TOF Tune screen.

(Figure 25)

Figure 25 GC/Q-TOF Tune dialog box

Table of Contents5
Introduction10
Abbreviations Used10
The 7200 Accurate-Mass Quadrupole Time-Of-Flight GC/MS System12
Hardware Description15
Important Safety Warnings16
Safety and Regulatory Certifications20
Intended Use23
Cleaning/Recycling the Product23
Liquid Spills23
Moving or Storing the MS23
Installing GC Columns25
Columns26
To Prepare a Capillary Column for Installation29
To Install a Capillary Column in a Split/Splitless Inlet31
To Condition a Capillary Column33
To Install a Capillary Column in the GC/MS Interface35
To Prepare the Column Ends for a CFT Fitting38
Operating in Electron Impact (EI) Mode44
Operating the MS from the Data System44
The GC/MS Interface45
Before You Turn on the MS47
Pumping down48
Controlling Temperatures48
Controlling Column Flow48
Controlling Collision Cell Flow49
Venting the MS50
Typical Vacuum Pressures in EI Mode51
To Set Monitors for Temperature and Vacuum Status52
To Set the MS Analyzer Temperature55
To Set the GC/MS Interface Temperature from the Masshunter Workstation57
To Calibrate the Column58
To Configure the Collision Cell Gas60
To Set the Collision Cell Gas Flow Rate61
To Autotune the MS for EI Mode62
To Remove the Upper RIS Cover64
To Open the Analyzer Cover for Access to the Analyzer Sideplate65
To Pump down the MS66
To Vent the MS69
Operating in Chemical Ionization (CI) Mode72
Setting up Your MS to Operate in CI Mode72
The CI GC/MS Interface73
Operating the CI MS75
High Vacuum Pressure in CI Mode76
Other Reagent Gases78
CI Autotune80
The Flow Control Module82
To Switch from the EI Mode to CI Mode83
To Operate the Reagent Gas Flow Control Module85
To Set a Reagent Gas Flow87
To Perform a CI Autotune88
Using the Removable Ion Source92
The Removable Ion Source92
To Change the Ion Source94
To Install the RIS Probe Extraction Tool97
To Remove the Source from the Analyzer Chamber99
To Change the Ion Source on the RIS Probe Extraction Tool101
To Install the Ion Source in the Analyzer Chamber103
To Remove the RIS Probe Extraction Tool from the Instrument104
General Maintenance106
Before Starting106
Maintaining the Vacuum System111
Maintaining the Analyzer112
To Disassemble the EI Ion Source114
To Assemble the EI Ion Source116
To Disassemble the CI Ion Source118
To Assemble the CI Ion Source120
To Clean the Ion Source122
To Remove a Filament126
To Install a Filament128

Brand	Agilent Technologies
Model	7200
Category	Laboratory Equipment
Language	English

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