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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Eisco Plastic Büchner Funnels, 2 Part

Two-part Büchner funnels with straight sides and fixed perforated plates made of polypropylene plastic.

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Buchner Funnels, United Scientific Supplies

The top portion of these polypropylene, two-piece funnels are snaps into the lower one, forming a vacuum seal that does not require greasing. The base of the top portion has a perforated filter plate.

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