For your chemistry experiments, you'll eventually need to know how to use a stopcock. Well, this science tutorial, interactive animation will show you how to use a three-way stopcock in the chemistry lab.
- Vacuum, aspirator, filtration chamber, air, vacuum filtration
- Releasing the vacuum of the filtration, for soaking the precipitate
- Fully open, for turning off the aspirator
- Releasing the vacuum of the aspirator, for turning off the aspirator
- Fully closed, never continue this state
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