Then macerate was filtered through a Buchner funnel over laid with what man No.1 filter paper to a round bottom flask with mild suction to separate the sediments and aliquot. The aliquot was collected ...

Our Buchner funnel, made of chemically resistant borosilicate glass, featured a perforated plate with 2ml openings, allowing only the tiniest particles to pass through.

- In the 1990s, an HIV drug was part of a fascinating and baffling chemical mystery. It was a miracle drug, until June of 1998, when a batch of the drug failed its quality control tests. If you ...

The dried extract was filtered again using a Buchner funnel fitted with a BUCHI B-169 vacuum System. The filtrate was transferred into another 500 mL round bottomed – flask and then fitted into a ...

The cooled mixture is filtered through a Büchner funnel in a vacuum flask. The procedure is repeated with the remaining carrot sample and 25 ml of methylene chloride. Both filtrates were combined and ...