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To Clean the EI Ion Source
Materials needed
• Abrasive paper (5061-5896)
• Alumina abrasive powder (8660-0791)
• Aluminum foil, clean
• Cloths, clean (05980-60051)
• Cotton swabs (5080-5400)
• Glass beakers, 500 mL
• Gloves, clean, lint-free
• Solvents
• Ultrasonic bath
Preparation
1
2
5975/5977 Series MSD Operation Manual
•
Large (8650-0030)
•
Small (8650-0029)
•
Acetone, reagent grade
•
Methanol, reagent grade
•
Methylene chloride, reagent grade
Disassemble the ion source. See
Ion Source"
on page 99 or
page 102.
Collect the following parts to be cleaned for a standard or inert EI ion
source: (See
Figure 15
•
Repeller
•
Interface socket
•
Source body
•
Drawout plate
•
Drawout cylinder
•
Ion focus lens
•
Entrance lens
"To Disassemble the Standard or Inert EI
"To Disassemble the Extractor EI Ion Source"
on page 107.)
General Maintenance
4
on
105
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