Qualitative filter papers, wet strengthened grades, grade 91, Whatman™

Supplier: Whatman products (Cytiva)
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Whatman™
512-0614EA 970 GBP
512-0614 512-0648 512-0388 512-0389 512-0386 512-0387 516-0604 512-0612 512-0613
Qualitative filter papers, wet strengthened grades, grade 91, Whatman™
Filters Filter Papers Qualitative Filter Paper
A general purpose creped cellulose filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration.

These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin. Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain nitrogen so these grades should not be used in Kjeldahl estimations, etc.
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