Filter Paper

Filter paper is a semi-permeable paper barrier placed perpendicular to a liquid or air flow. It is used to separate fine solids from liquids or air.

Read more about Filter Paper:  Properties, Manufacture

Famous quotes containing the word paper:

    “It was because of me. Rumors reached Inman that I had made a deal with Bob Dole whereby Dole would fill a paper sack full of doggie poo, set it on fire, put it on Inman’s porch, ring the doorbell, and then we would hide in the bushes and giggle when Inman came to stamp out the fire. I am not proud of this. But this is what we do in journalism.”
    —Roger Simon, U.S. syndicated columnist. Quoted in Newsweek, p. 15 (January 31, 1990)