Whatman™ Quantitative Filter Paper: Grade 50 Circles

Enables strong retention for very fine crystalline precipitates. Whatman™ Quantitative Filter Paper: Grade 50 Circles withstand shredding, wet handling, and precipitate removal by scraping.

Brand: Whatman™

Manufacturer Part Number: 1450-320

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.82000kg

Product Code. 11380484

Quantity Price
1 £ 154.62 / Pack of 100
Estimated Shipment
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Description and Specification


Material High-quality Cotton Linters
Diameter (Metric) 320mm
Type Hardened low ash
Flow Rate Slow
Quantity 100Pack
Thickness (Metric) 115μm
Pore Size (Metric) 2.7μm
Porosity Fine
Format Circle
Grade 50

Highly glazed, hardened filter paper
  • Thinner filter design (average thickness 115 µm) than most Büchner filter papers
  • Acid-treated for high wet-strength and chemical resistance
  • Nominal particle retention of 2.7 µm
  • Slow flow rates (Herzberg filtration speed 2685 s)
  • High purity and low ash content (0.015% ash maximum)
  • Compatible with Hirsch or Büchner funnels