Preconditions

  • The MS is vented and cooled to room temperature.
  • The API source interface is removed from the MS, and the lenses are removed from the source interface cage.

Chemicals

  • Water (UHPLC/MS grade)
  • Methanol (UHPLC/MS grade)
  • Liquinox

Materials and equipment

  • Soft toothbrush
  • Chamois-tipped swabs
  • Magnification device or loupe

Procedure

  1. Use a soft toothbrush to scrub the MP00 multipole with a 1% solution of Liquinox in water. Clean both the entrance and exit sides of the multipole.
  2. Use a swab to clean between the rods.
  3. Rinse the multipole thoroughly with water.
  4. Rinse the multipole with methanol.
  5. Dry the multipole thoroughly with nitrogen gas.
  6. Verify that the multipole is clean by examining it with a loupe.