FILTER PAPERS

Description

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

Filter paper: used for separating solid from liquid. The raw materials are typically different paper pulpsFour Major Types of Filters

The four primary types of filters : Include the low-pass filter, the high-pass filter, the band-pass filter, and the notch filter (or the band-reject or band-stop filter).