How To: Use a three-way stopcock in the chemistry lab

Use a three-way stopcock in the chemistry lab

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.

1. Vacuum, aspirator, filtration chamber, air, vacuum filtration
2. Releasing the vacuum of the filtration, for soaking the precipitate
3. Fully open, for turning off the aspirator
4. Releasing the vacuum of the aspirator, for turning off the aspirator
5. Fully closed, never continue this state

Use a three-way stopcock in the chemistry lab

Use a three-way stopcock in the chemistry lab Click through to watch this video on ac.jp

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