Agilent Technologies 7000 Series Operating Manual page 176

7 General Maintenance
To Clean the EI XTR Source
3 Rinse away all abrasive residue with reagent-grade methanol.
4 Separate the parts that were abrasively cleaned from the parts that were not
All of these solvents are hazardous. Work in a fume hood, and take all
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appropriate precautions.
Al
5 Ultrasonically clean the parts (each group separately) for 15 minutes. For
6 Place the parts in a clean beaker. Loosely cover the beaker with clean
7 Dry the cleaned parts in an oven at 100 °C for five to six minutes.
Let the parts cool before you handle them.
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Let
Take care to avoid contaminating cleaned and dried parts. Put on new, clean
NOTE
gloves before handling the parts. Do not set the cleaned parts on a dirty
surface. Set them only on clean, lint-free cloths.
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Ensure all abrasive residue is rinsed before ultrasonic cleaning. If the
methanol becomes cloudy or contains visible particles, rinse again three
times.
abrasively cleaned.
dirty parts, use all three solvents in the order shown, cleaning 15 minutes with
each of the following solvents:
• Methylene chloride (reagent-grade)
• Acetone (reagent-grade)
• Methanol (reagent-grade)
For routine cleaning, cleaning with methanol is sufficient.
aluminum foil (dull side down).
7000/7010 Series TQ GC/MS Operating Manual