90 mm White Dot Quantitative Filter Paper Discs / Grade 389

Code: SARFT-3-102-090

These 90 mm diameter medium-fast filtering, white dot filter paper discs are used for quantitative and gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100 % cotton linters with an α-cellulose content of >98 % and are acid-washed to make the papers ashless and achieve high purity.

per PK 100
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Applications

  • Application: Clarification
  • Application Area: Analytical Sample Preparation, Particle Analysis

Dimensions

  • Dimensions: N/A
  • Filter Diameter: ⌀ 90 mm

General Specifications

  • Filter Format: Discs
  • Filter Paper / Membrane Color: White
  • Filtration Time: 20 s
  • Grade: 389
  • Specifications: Medium- to wide-pore, medium fast filtering
  • Thickness: 0.19 mm

Materials of Construction

  • Filter Material: 100% Cotton Linters (> 98% alpha-cellulose; ash-free)
  • Membrane Material: N/A

Physicochemical Information

  • Pore Size: N/A
  • Precipitations: Medium-fine crystalline
  • Retention Rate: 8–12 µm

Product Information

  • Filter Type: Quantitative Filter Papers
  • Pack Size: 100
  • Packaging: Non-sterile, bulk packed

Weight

  • Basis Weight: 84 g/m²