Buchner Funnel – Porcelain, 100mm. Along with the application of a vacuum and the placement of filter paper in the funnel’s basin, a student is able to use the porcelain Buchner funnel to perform filtration and be left with the liquid portion in the side-arm flask, while the crystallized solid or particulate is left on the filter paper. The solid can be allowed to dry and then quantitatively the student can determine its weight. Image may vary.