United Scientific Supplies JBF200 Buchner Funnel, 200 ml, Diameter 70 mm
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There is a filter paper 7 cm diamter used for this.
Selected User Reviews For United Scientific Supplies JBF200 Buchner Funnel, 200 ml, Diameter 70 mm
The fact that it works as it should is nice, but the quality of work and finish are not appealing to me. Seeing the size in my hand made it difficult to imagine the size, so here is a photo of the 200ml 70mm diameter Buchner Funnel in my hand. It fits with a number 8, and looks wonderful.
As a result of being raised by burrs, filter paper can't form a seal.
I'm pleased with the results. This is already the third time I've used it.
A bump is visible on the porcelain right next to two of the holes (one on the outer ring and the other on the inner ring). I believe that I can simply cut a small notch in the filter paper and plug the hole on the outer rim in order to create a tight Still, it is a shotty piece of workmanship.