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.
Büchner vacuum filtration funnels
Supplier: SciLabware
Borosilicate glass 3.3
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Büchner funnels, Hartley pattern
Supplier: DIXON SCIENTIFIC
Top and base: Borosilicate glass with support plate.
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Büchner funnels, Quickfit®
Supplier: SciLabware
PYREX®, borosilicate glass.
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Filtration funnels, Büchner type
Supplier: SMITH SCIENTIFIC
Funnels, made of, borosilicate glass, with sintered glass disc. For convenient filtration of solutions.
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Büchner funnel, with sintered disc
Supplier: SMITH SCIENTIFIC
Funnels, Büchner type, borosilicate glass 3.3, with integrated sintered glass filter plate.