Whatman Quantitative Filter Papers, Hardened Low Ash Grades, Grade 52, Whatman products (Cytiva)


1452-090 1452-150 1452-125 1452-110 1452-110 1452-240 1452-240
28487-047 28487-105 28487-080 70240-066 CA70240-066 CA28297-354 28297-354
Whatman Quantitative Filter Papers, Hardened Low Ash Grades, Grade 52, Whatman products (Cytiva)
Filters Filter Paper Quantitative Filter Paper
Cytiva's (formerly GE Healthcare Life Sciences) Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations

  • 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 235s)
  • High purity (0.015% ash maximum)
  • Compatible with Hirsch or Büchner funnel applications

Cytiva's (formerly GE Healthcare Life Sciences) 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. 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 (formerly GE Healthcare Life Sciences) Grade 52 hardened filter paper is acid-treated to prevent fiber shredding during vacuum filtration or precipitate collection.

The acid-hardened surface and low ash content enable efficient precipitate recovery.


 

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