Buchner funnel


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Buchner funnel

(ˈbʌknə)
n
(Chemistry) a laboratory filter funnel used under reduced pressure. It consists of a shallow porcelain cylinder with a flat perforated base
[named after Eduard Buchner, who invented it]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The precipitate formed was filtered through simple buchner funnel under vacuum pressure and crystallized from ethanol to yield 2-pyrazolines (Scheme 1).
The precipitate of DCU was removed by filtration through a Buchner funnel, and the filtrate was washed with two 20 mL portions of saturated sodium carbonate solution and three 20 mL portions of saturated sodium chloride solution.
The treated oil was finally filtered using a filter paper by Buchner funnel. Color, water content, dielectric dissipation factor and total acid number (TAN) were recorded for all combinations.
After extracted with ethanol-benzene, the CCH powder were transferred to a Buchner funnel and washed with ethanol.
The easiest method 1 have devised is to use a Becopad 550 filter pad: cut to fit a 9-12cm Buchner funnel. Then place a glass fiber filter sheet .on the bottom of the funnel xvith the filter pad on top.