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Suction filtrationSuction Filtration is a method of filtration which allows for a greater rate of filtration. Whereas in normal filtration gravity provides the force which draws the liquid through the filter paper, in suction filtration a pressure gradient performs this function. This has the advantage of offering a variable rate depending on the strength of the pump being used to extract air from the Büchner flask. Care must be taken not to use such a strong vacuum that the filter paper does not rip (in which case all the filtrate will be lost back into the solvent) or in extreme cases break the glass flask. Additional recommended knowledgeSuction filtration is used in recrystallisation experiments. References , |
| This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Suction_filtration". A list of authors is available in Wikipedia. |
