Skip to content Skip to navigation menu

47 mm Black Dot Quantitative Filter Paper Discs / Grade 388

These 47 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.

Item no.:  FT-3-101-047

Price:  $10.00

Availability (ex works):  For more information please log in

   

  • Made of 100 % cotton linters
  • Ash-free (ash content ≤ 0.01 % according to DIN 540370)
  • Wet-strengthened
  • Color-coded box for easy selection
  • Fast filtering
  • Wide-pore
  • 100 discs per pack

Brochure

Filter Papers for the Laboratory and Industry
en 8.3 MB
Papiers filtres pour les laboratoires et l’industrie
fr 8.3 MB
Carte da filtro per il laboratorio e l’industria
it 8.3 MB
宣传手册:实验室过滤产品精简目录
zh 19.0 MB

Catalog

Laboratory Filtration Products
en 21.8 MB

Applications

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

Dimensions

  • Filter Diameter
    ⌀ 47 mm
  • Thickness
    0.21 mm

Features

  • Color-coded Dot
    Black dot: Fast filtering, wide-pore, lose structure, ash-free, wet-strengthened

General Specifications

  • Filter Format
    Discs
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    10 s
  • Specifications
    Wide-pore, lose structure, fast filtering

Materials of Construction

  • Filter Material
    100 % Cotton Linters (> 98 % alpha-cellulose; ash-free)

Physicochemical Information

  • Grade
    388
  • Precipitations
    Coarse crystalline
  • Retention Rate
    12–15 µm

Product Information

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

Weights

  • Weight
    84 g/m²