Manufactured from highquality cotton linters and treated to remove trace metals High wetstrength and chemical resistance Nominal particle retention of 7 µm Medium flow rate (Herzberg filtration speed 235 s) High purity (0.015% ash maximum) Compatible with Hirsch or Büchner funnel applications Cytiva's Whatman Grade 52 is a generalpurpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acidhardened surface and low ash content enable efficient precipitate recovery. Büchner funnel vacuum filtration The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a highquality filter that avoids introducing artifacts into measurement. Cytiva's Grade 52 hardened filter paper is acidtreated to prevent fiber shredding during vacuum filtration or precipitate collection.
