Qualitative Filter Paper Sheet 60×60 CM Big square Filter paper, 100 Sheets (for industry and laboratory use). A qualitative Filter Paper Sheet is a semi-permeable paper barrier placed perpendicular to a liquid or air flow. It is used to separate fine substances from liquids or air. Filter papers are widely used in laboratory experiments across many different fields, from biology to chemistry laboratory. The type of filter used will differ according to the purpose of the procedure and the chemicals involved. Generally, filter papers are used with laboratory techniques such as gravity or vacuum filtration. These sheets are mostly used in chemistry labs in Bangladesh.
