Description of the Whatman Quantitative Filter Papers, Grade 50, 240 mm, Pack of 100
Whatman Quantitative Filter Papers The maximum ash content of these grades is intermediate between ashless and qualitative grades. They are particularly suitable for Buchner filtrations where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance which are similar to the acid hardened ashless filter papers.
Grade 50: 2.7 m
Retention of very fine crystalline precipitates.
The thinnest of all Whatman filter papers.
Slow flow rate.
Hardened and highly glazed surface.
This finish also keeps the paper free from loose surface fibers.
Highly suitable for qualitative or quantitative filtrations requiring vacuum assistance on Buchner or 3-piece filter funnels.
Very strong when wet.
Will withstand wet handling and precipitate removal by scraping.
In the electronics industry, the virtual absence of fiber shedding is utilized in carriers for integrated circuits.
This grade is also available in Smear Tab format for wipe testing (e.g., testing of surfaces for radionuclide contamination).
With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Laboratory Supplies. Filter Paper can be found in our extensive online collection of products from globally recognized and trusted brands, including Whatman. An excellent option to consider is the Quantitative Filter Papers, Grade 50, 240 mm, Pack of 100.