100Pcs/Set 7/9/11/15/18cm Qualitative Filter Paper Circular Funnel Filter Sheet Medium Speed 15-20um

Description This 100Pcs Set medium speed qualitative filter paper are used when you are generally concerned about what is left on the filter Qualitative filters are used for both collecting a precipitate or solid and removing unwanted substance from your filtrate that passes through the filter but not as concerned about the quantity of substance that remains on the filter Specification Material Cotton FiberFilter Type Qualitative FilterFilter Diameter 7 9 11 15 18cmFilter Speed Medium Speed 35 70s Max Aperture Diameter 15 20umAsh Content 0 15 Quantity 100Pcs Set Features 1 100Pcs Set qualitative filter paper medium speed 2 With numerous small holes on its surface made from cotton fiber it only allows liquid particles to pass through while solid materials with large volume not 3 Light weight convenient to use and carry accurate testing 4 It requires more filtration time than filter paper with fast speed 4 It covers a wide range of laboratory applications which is frequently used for clarifying liquids 5 It is widely used in education for teaching simple qualitative analytical separations 6 Its accessible to test the engine oil whether it goes bad or others or not when there is something wrong with your driving With qualitative filter paper with medium speed you will spend 12 hours on it Instructions 1 Fold in half twice into 90circular corner shape 2 Open the folded filter paper in the funnel shape which are three layers in one side and one layer