Qualitative Filter Papers/ Grade 293 / 90 mm Folded Discs

These 90 mm diameter folded qualitative filter papers are ideal for analytical purposes and routine analyses. They are wet-strengthened for use in pressure or vacuum filtration. Made from refined pulp and cotton linters with more than 95% alpha-cellulose and an ash content of less than 0.1% according to DIN 54370.

Price (USD):
$139.00
Item No.: 
FT-4-211-090
Availability: 
Pieces
100

*Custom/bulk order quotes are provided within 24 hours of request.

  • Made of > 95 % α-cellulose
  • Ash content below 0.1 % according to DIN 54370
  • Very fine-pore, very dense
  • Very slow filtering
  • 90 mm diameter
  • 100 folded filters per pack

Applications

  • Application
    Clarification
  • Application Area
    • Analytical sample preparation
    • Particle analysis

Dimensions

  • Dimensions
    N/A
  • Filter Diameter
    ⌀ 90 mm

General Specifications

  • Filter Format
    Folded
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    300 s
  • Grade
    293
  • Specifications
    Very fine-pore, very dense, very slow filtering
  • Thickness
    0.15 mm

Materials of Construction

  • Filter Material
    Cotton Linters and Refined Pulp (> 95 % alpha-cellulose; ash content ≤ 0.1 % according to DIN 54370)
  • Membrane Material
    N/A

Physicochemical Information

  • Pore Size
    N/A
  • Precipitations
    Very fine crystalline
  • Retention Rate
    1–2 µm

Product Information

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

Weight

  • Basis Weight
    80 g/m²

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