10. Wet the paper with a small
amount of the solvent to be used in the filtration. We will using distilled water as our solvent. The distilled water may be sprayed
directly from the bottle – i.e., it is not necessary to
use a beaker to pour the distilled water.
11. Turn on the water aspirator or vacuum pump. Check to make sure the distilled water
you placed on the filter paper is being sucked through the funnel. (Is it dripping into the flask?)