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.
  • A3, 2, 1
  • B1, 2, 3
  • C3, 1, 2
  • D2, 3, 1
  • E1, 3, 2

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