Filter

Description

A material used to separate components based on their physical properties, such as size or wavelength. Particle beds ([fullrecord.asp?name=sand sand], [fullrecord.asp?name=diatomaceous earth diatomaceous earth], [fullrecord.asp?name=charcoal charcoal]) or membranes ([fullrecord.asp?name=cheesecloth cheesecloth], [fullrecord.asp?name=paper paper], [fullrecord.asp?name=nylon fiber nylon]) are used to remove large particles or impurities from solutions. [fullrecord.asp?name=Light filter Light] or [fullrecord.asp?name=color filter color filters] are used to absorb, minimize, or block specific wavelengths. See records for: [fullrecord.asp?name=barrier filter barrier filter], [fullrecord.asp?name=filter cloth filter cloth], [fullrecord.asp?name=filter paper filter paper], [fullrecord.asp?name=membrane filter membrane filter], [fullrecord.asp?name=neutral density filter neutral density filter], and [fullrecord.asp?name=dichroic glass filter dichroic glass filter].