Qualitative Filter Papers/ Grade 293 / 55 mm Discs

These 55 mm diameter qualitative filter paper discs 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):
$13.40
Item No.: 
FT-3-211-055
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
  • 55 mm diameter
  • 100 discs per pack

Applications

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

Dimensions

  • Dimensions
    N/A  
  • Filter Diameter
    ⌀ 55 mm  

General Specifications

  • Filter Format
    Discs  
  • 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