after charcoal is added, the solution is filtered by hot gravity filtration. Why does the solution need to remain hot during the filtration to remove charcoal?

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Lilly Kirk

Chemistry

15 September, 14:39

after charcoal is added, the solution is filtered by hot gravity filtration. Why does the solution need to remain hot during the filtration to remove charcoal?

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Giant · Answer 1

The solution needs to remain hot during filtration in order to remove impurities and charcoal that are insoluble in the crystallization solvent, also to prevent crystals form prematurely on the paper filter or on the funnel stem.