Vacuum Filtration

 

Vacuum filtration is a procedure in which a pressure differential is maintained across the filter medium by evacuating the air below the filter paper.  Vacuum filtration provides a force on the solution in addition to that of gravity and increases the rate of filtration.

Buchner Funnel 

filterflask.jpg (5356 bytes)
Filtering Flask
 

Filter being placed in Funnel

 

 

           

 

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