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40.5 mm White Dot Quantitative Filter Paper Discs / Grade 389

These 40.5 mm diameter medium-fast filtering, white dot filter paper discs are used for quantitative & 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.

Item no.:  FT-3-102-040-5

Price (USD):  $12.80

100 Pieces
 

* 24 Hours Turnaround Time

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

Applications

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

Dimensions

  • Dimensions
    N/A
  • Filter Diameter
    ⌀ 40.5 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)

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

Weights

  • Basis Weight
    84 g/m²