What is a Hirsch Funnel and how are they used?

Answer

They are used for vacuum filtration to separate crystals, or solids, from a liquid. Usually a neoprene adapter is used to fit the funnel to a flask that is attached to some sort of vacuum. A filter paper is used to make sure no solids get through, or
Q&A Related to "What is a Hirsch Funnel and how are they used?"
The melting point increases. Impurities cause the melting point of an otherwise pure substance to decrease.
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precipitation.
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