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: 1450-185

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.23000kg

Product Code. 11372975

Quantity Price
1 £ 59.8 / Pack of 100
10 £ 47.84 / Pack of 100
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  • Description and Specification
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  • Documentation
Description and Specification


Type Hardened low ash
Quantity 100Pack
Grade 50
Material High-quality Cotton Linters
Pore Size (Metric) 2.7μm
Format Circle
Thickness (Metric) 115μm
Porosity Fine
Diameter (Metric) 185mm
Flow Rate Slow

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

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