125 mm White Dot Quantitative Folded Filter Papers / Grade 389

These 125 mm diameter medium-fast filtering white dot folded filter papers 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.

Price (USD):
$69.40
Item No.: 
FT-4-102-125
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
  • Medium-fast filtering
  • Medium- to wide-pore
  • 100 folded filters per pack

Applications

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

Dimensions

  • Dimensions
    N/A
  • Filter Diameter
    ⌀ 125 mm

Features

  • Color-coded Dot
    White dot: Medium fast filtering, medium- to wide-pore, ash-free, wet-strengthened

General Specifications

  • Filter Format
    Folded
  • 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

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