Vacuum Filtration With Trap
Hot filtration method is mainly used to separate solids from a hot solution. This is done in order to prevent crystal formation in the filter ... Read more funnel and other apparatuses that comes in contact with the solution. As a result, the apparatus and the solution used are heated in order to prevent the rapid decrease in temperature which in turn, would lead to the crystallization of the solids in the funnel and hinder the filtration process. "Filtration Methods". http://www. chem. ucalgary. ca/courses/351/laboratory/filtration. pdf (PDF)|format= requires |url= (help). University of Calgary. Missing or empty |url= (help); |accessdate= requires |url= (help) One of the most important measure to prevent the formation of crystals in the funnel and to undergo effective hot filtration is the use stemless filter funnel. Due to the absence of stem in the filter funnel, there is a decrease in the surface area of contact between the solution and the stem of the filter funnel, hence preventing re-crystallization of solid in the funnel, adversely effecting filtration process.Read less
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