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:

    I would advise you Sir, to study algebra, if you are not already an adept in it: your head would be less muddy, and you will leave off tormenting your neighbours about paper and packthread, while we all live together in a world that is bursting with sin and sorrow.
    Samuel Johnson (1709–1784)