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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Polypropylene Buchner Funnel

Useable With or Without Filter Paper.

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Buchner Funnel, Porcelain, United Scientific Supplies

Buchner Funnels for filtering hot or cold solutions.

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Eisco Porcelain Büchner Funnels

Büchner funnels with straight sides and fixed perforated plates made of glazed porcelain.

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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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