120478 1452 Media/Uploads/tn_36674_50054.jpg Quantitative Filter Papers, Hardened Low Ash, Grade 52 Quantitative Filter Papers, Hardened Low Ash, Grade 52 Cytiva's 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.</br></br>Manufactured from high-quality cotton linters and treated to remove trace metals</br>High wet-strength and chemical resistance</br>Nominal particle retention of 7 µm</br>Medium flow rate (Herzberg filtration speed 235 s)</br>High purity (0.015% ash maximum)</br>Compatible with Hirsch or Büchner funnel applications</br>Cytiva's business offers three grades of hardened low ash filter paper. All three are designed for use in Hirsch and Büchner funnel applications and can be customized for an exact fit.</br></br>Büchner funnel vacuum filtration</br>The quality of analysis resulting from vacuum filtration using a Hirsch or Büchner funnel relies on using a high-quality filter that avoids introducing artifacts into measurement. Cytiva's Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection. 0.00 0.00 complexproduct_new?c0=120478 0 0 0