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Filter paper
Videos
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.
Filter paper: used for separating solid from liquid.
Air filter paper in an auto engine
Air filter paper in an auto engine
Oil filter cut-away with paper visible inside
Oil filter cut-away with paper visible inside
A scan of Whatman Filter Paper 4 Qualitative taken at 840 magnifications under a scanning electron microscope.
A scan of Whatman Filter Paper 4 Qualitative taken at 840 magnifications under a scanning electron microscope.
Funnel
Videos
A funnel is a tube or pipe that is wide at the top and narrow at the bottom, used for guiding liquid or powder into a small opening.
Filter paper
…coffee filters of paper are made from about 100 g/m2 crêped paper. The crêping allows the coffee to flow freely between the filter and the filtration funnel. The raw materials (pulp) for the filter paper are coarse long fiber, often from fast growing trees. For example, Melitta uses up to 60% of bambus in…
A typical kitchen funnel
A typical kitchen funnel
A ceramic Roman kitchen funnel (1st–3rd century AD)
A ceramic Roman kitchen funnel (1st–3rd century AD)