Cytiva Whatman 1452-090 9cm Grade 52 Quantitative Filter Papers, Hardened Low Ash - F1250-4

Cytiva Whatman 1452-090 9cm Grade 52 Quantitative Filter Papers, Hardened Low Ash. Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery. 100/box. Manufactured from high-quality cotton linters and treated to remove trace metals High wet-strength 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 Diameter(cm): 9.0