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Büchner Funnels

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Büchner Funnels

Buchner funnels use vacuum suction for filtration where paper filters or membranes cannot withstand chemical attack of the filtrate. Used in qualitative inorganic analysis, preparative chemistry and in organic chemistry labs to assist in collecting recrystallized compounds these filtration devices are made with porcelain, glass or plastic.


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Description:   Top I.D. 172mm. Stem O.D. 20mm. Stem Length: 107mm. For Paper Diameter: 150mm. Sturdy two-piece construction. Separable for easier cleaning. Highly resistant to most chemicals. Autoclavable.
Catalog Number: 30305-120
Supplier: Thermo Fisher Scientific



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Description:   Coarse Porosity. Capacity: 3L. Disc Diameter: 152mm. Height Above Disc: 175mm. Approximate Stem O.D. 25mm. Stem Length: 110mm. Useful where filter paper would be attacked by material being filtered. Top edge is beaded.
Catalog Number: 30295-209
Supplier: Corning


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Catalog Number: 89091-158
Supplier: Corning


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Description:   Coarse porosity. Height: 178mm. Rim to Plate: 127mm. I.D. 260mm. Filter plate is linear polyethylene. Support grid under plate. Nonporous ring around plate seals filter paper. Porous plates are 6.4mm thick. Vacuum connector takes 1.27cm I.D. tube. Use below 52[degree]C.
Catalog Number: 30308-090
Supplier: Bel-Art Products, a Part of SP



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Description:   With perforated removable plate. Made of high density polyethylene 6.4mm thick with non-porous ring at periphery of plate which seals filter paper when used. 260mm inside diameter, 178mm overall height, 127mm rim to plate.
Catalog Number: 47750-812
Supplier: Bel-Art Products, a Part of SP



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Catalog Number: 89085-022
Supplier: Ace Glass


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Catalog Number: 89091-342
Supplier: Corning


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Description:   [standard taper] Joint; 24/40. Funnel Capacity (mL); 150. Disc Dia. (mm) x Porosity; 60 x M. Approx. Overall Height x Width (mm); 160 x 70 Funnel with sealed-in fritted disc and an integral #2 side hose connection. Useful with paper or polymeric filters.
Catalog Number: KT954100-1544
Supplier: DWK Life Sciences (KIMBLE)



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Description:   PYREX brand, Buchner, with Fritted Disc. 2 mL. 70 mm. 10 mm. Porosity:F. Stem Length:31 x 7 mm. These funnels are especially useful where filter paper would be attacked by the material being filtered.
Catalog Number: 30296-210
Supplier: Corning


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Description:   Coarse grade porosity. Length: 26cm.
Catalog Number: 74950-362
Supplier: Bel-Art Products, a Part of SP



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Description:   19/22 POROSITY E FILTER FUNNEL.
Catalog Number: 89074-560
Supplier: Ace Glass


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Description:   18"ID TABLE TOP BUCHNER FUNNEL, FIXED PLATE, COARSE POROSITY.
Catalog Number: 89076-852
Supplier: Ace Glass


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Description:   24/40 80MM POROSITY A FUNNEL.
Catalog Number: 89058-040
Supplier: Ace Glass


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Description:   24/40 40MM POROSITY E FUNNEL.
Catalog Number: 89058-018
Supplier: Ace Glass


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Description:   Size: 91.4cm. With fixed or removable perforated filter plate.
Catalog Number: 47750-818
Supplier: Bel-Art Products, a Part of SP



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Description:   14/10 POROSITY E FILTER FUNNEL.
Catalog Number: 89074-550
Supplier: Ace Glass


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