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:

    Two heavy trestles, and a board
    Where Sato’s gift, a changeless sword,
    By pen and paper lies,
    That it may moralise
    My days out of their aimlessness.
    William Butler Yeats (1865–1939)