Vacuum Filter Paper

…The thinnest of all Whatman filter papers. The hardened and highly glazed surface finish keeps the paper free from loose surface fibers. Highly suitable for qualitative or quantitative filtrations requiring vacuum assistance on Büchner or three-piece filter funnels. Very strong when wet.…

…for Büchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance, which are similar to those of the acid-hardened ashless filter papers. Grade 54: 22 µm

…hardened filter paper for quantitative analysis. All three are designed for use in gravity and vacuum/suction filtration in Büchner and Hirsch funnel applications and can be customized for an exact fit. Fast filters for vacuum filtration Whatman Grade 54 filter paper can sustain fast vacuum or…

…for an exact fit. Wet-strengthened filters for vacuum filtration For many vacuum filtration applications, a thin filter paper with a slow flow rate and excellent wet strength can maintain sample quality and purity. Because Grade 50 thin filter papers are hardened to minimize fiber shredding,…

…(fluted) filter papers Whatman Grade 114V filter paper is wet-strengthened with a chemically stable resin that does not add significant impurities to the filtrate. It is designed for procedures requiring high wet mechanical strength, such as recovery of a gelatinous precipitate after vacuum…

…funnel vacuum filtration The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. GE’s Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum…

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

…for the filter rings. Method B is done using a reflux extractor. The reflux extractor consists of two cone type screens. The filter paper used with this extraction method is Grade 615. Method E utilizes a vacuum extractor. This test requires a medium grade fast filtering qualitative filter. Grade…

…grades for use in vacuum work or when wet handling is required. Ahlstrom 613: 6µm – Medium Speed This is a strong filter paper with a medium flow rate and retention. Ahlstrom 613 is commonly used in student laboratories. This strong general-purpose filter is also useful in…

…832 Type 2 Class G filter, Grade 94, is used to vacuum filter a sample. ASTM D806-96 Cement Content of Soil/Cement Mixtures The cement content of a dry soil/ cement mixture is determined with this procedure. There are several steps, all of which require filter paper. The first extraction…

…(7/16") centers. The fixed plate models can be used for coarse filtration or with a cloth or paper filter. All plates are supported by a multiple ring grid to prevent displacement under vacuum. Vacuum connector fitting accepts 12.7mm (1/2") I.D. tubing. The tube fitting is fixed on the…

…apparatus for 75mm OD membranes or filter paper. Ideal for solvent recycling and other filter applications. All threaded apparatus eliminates need for clamps. Course glass fritted disc is interchangable. Gl80 wide mouth bottle with #15 Ace-Safe connector for vacuum connection on side. 1000mL glass…

…and a supply of filter paper. Tops, bottoms and filter paper are available separately as replacement components. Adapters are available in borosilicate glass or stainless steel Replacement borosilicate glass bottom withstands extreme temperatures and high vacuum Fast-Freeze Flasks…

…extreme temperatures and high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are available separately as…

An excellent, faster working, alternative to traditional gravity based liquid filtration. Contents: 500ml Filtering Flask 90mm porcelain Buchner Funnel Hand Vacuum Pump with Gauge Pack of 90mm Filter Papers (pack/100) Rubber Stopper Vacuum Hose Instruction Manual

…Buchner funnels with medium porosity (45-90 microns) (90-130 microns) removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick.…

Flast flowing with Fritware® Porous Plates HDPE with sealed-in, polyethylene filter plate of coarse porosity (90-130 microns) Offer good retention and fast flow under vacuum Can be used with or without filter paper Use below 52°C (125°F)

…simply filter your sample, dry the filter, and record its final weight. These filters really are this easy to use and can cut your labor costs for TSS analysis in half! Each Xenomax® Pre-Weighed TSS Filter consists of 1.5 µm binder-free, glass microfiber filters which have been vacuum…

…recommend these grades for use in vacuum work or when wet handling is required. Ahlstrom 617: 35µm – Fast Speed This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631. Ahlstrom 617, a thicker filter paper with higher loading capacity,…

Buchner funnel, table type, one piece, with side outlet for vacuum filtration. Glazed inside and out except for rim. Material: Porcelain ceramic Thermally shock-resistant Filter paper diameter: 240 mm Capacity: 4000 mL Height: 145 mm

Ahlstrom’s qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still…

…using vacuum filtration. Included is a 500ml Borosilicate Filtering Flask, Vacuum Pump, Porcelain Buchner Funnell, 9cm filter paper, connection tubing, and a rubber stopper. The stopper hole is specially cut to hold the Buchner funnel. The Vacuum Pump is simplifies the process of vacuum filtration,…

…applications. We do not recommend these grades for use in vacuum work or when wet handling is required. Ahlstrom 609: 4µm – Medium Speed This grade is an evolution of Ahlstrom 613 for use in the beer industry. This is a filter paper with an extremely low iron and nitrogen content for the…

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that…

Table-top Buchner funnels with coarse porosity (90-130 microns) with removable filter plates are 6.4mm (1/4") thick high density polyethylene with a non-porous circumference to better fasten filter paper to the plate. The high density polyethylene rigid plate is 4.8mm (3/16") thick. Holes…

…can be used for coarse filtration or with a cloth or paper filter. A removable filter plate allows easier cleaning and precious metals recovery. All plates are supported by a multiple ring grid to prevent displacement under vacuum. Vacuum connector fitting accepts 12.7mm (1/2") I.D. tubing.…

…high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. They are available in clear or amber-colored glass. A complete Fast-Freeze Flask consists of a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…

…high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. They are available in clear or amber-colored glass. A complete Fast-Freeze Flask consists of a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…

…high vacuum. Made of borosilicate glass 600 mL Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…

…high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. They are available in clear or amber-colored glass. A complete Fast-Freeze Flask consists of a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…

…high vacuum. Made of borosilicate glass 150 mL Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. A complete Fast-Freeze Flask consists a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…

…high vacuum. Fast-Freeze Flasks attach with adapters to valve ports on Labconco Drying Chambers and Manifolds. They are available in clear or amber-colored glass. A complete Fast-Freeze Flask consists of a rubber top, glass bottom and a supply of filter paper. Tops, bottoms and filter paper are…