What type of dropping funnel do you use with high vacuum distillation?

1 Answer
Apr 18, 2017

Answer:

How about a pressure equalizing dropping funnel?

Explanation:

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It has a glass tube that goes from the bulb of the funnel to the ground glass joint around the stem.

The pressure above the liquid is the same as that in the distilling flask, so you can control the addition of liquid from the funnel.