400 mm Black Dot Quantitative Filter Paper Discs / Grade 388

These 400 mm diameter fast filtering, black 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.

Price (USD):
$195.00
Item No.: 
FT-3-101-400
Availability: 
Pieces
100

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

  • Made of 100 % cotton linters
  • Ash-free (ash content ≤ 0.01 % according to DIN 54370)
  • Wet-strengthened
  • Color-coded box for easy selection
  • Fast filtering
  • Wide-pore
  • 100 discs per pack

Applications

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

Dimensions

  • Dimensions
    N/A  
  • Filter Diameter
    ⌀ 400 mm  

General Specifications

  • Filter Format
    Discs  
  • Filter Paper/Membrane Color
    White  
  • Filtration Time
    10 s  
  • Grade
    388  
  • Specifications
    Wide-pore, loose structure, fast filtering  
  • Thickness
    0.21 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
    Coarse crystalline  
  • Retention Rate
    12–15 µm  

Product Information

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

Weight

  • Basis Weight
    84 g/m²