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:
“They come on to my clean
sheet of paper and leave a Rorschach blot.
They do not do this to be mean,
they do it to give me a sign....”
—Anne Sexton (1928–1974)