Worksheet: Vacuum Desiccation

In this worksheet, we will practice describing the use of a vacuum desiccator to remove solvent or store dry solids, assessing hazards and common errors.


After placing a desiccator under vacuum, in which order should the following actions be performed?

  1. Turn off aspirator.
  2. Close tap on desiccator.
  3. Disconnect desiccator from aspirator.
  • A1, 3, 2
  • B3, 2, 1
  • C1, 2, 3
  • D3, 1, 2
  • E2, 3, 1

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