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Qualitative Filter Papers/ Grade 1291 / 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-celluloose and an ash content of < 0.1% according to DIN 54370.

Item no.:  FT-3-209-055

Price:  $9.60

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

   

  • Made of > 95 % α-cellulose
  • Ash content below 0.1 % according to DIN 54370
  • Fine-pore, dense
  • Very slow filtering
  • 55 mm diameter
  • 100 discs per pack

Brochure

Filter Papers for the Laboratory and Industry
en 9.4 MB
Papiers filtres pour les laboratoires et l'industrie
fr 2.0 MB
Carte da filtro per il laboratorio e l'industria
it 1.9 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
    • Clarification
    • Analytical Sample Preparation
    • Particle Analysis

Dimensions

  • Filter Diameter
    ⌀ 55 mm
  • Thickness
    0.15 mm

General Specifications

  • Filter Format
    Discs
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    180 s
  • Specifications
    Fine-pore, dense, very slow filtering

Materials of Construction

  • Filter Material
    Cotton Linters and Refined Pulp (> 95 % alpha-cellulose; 0% ash)

Physicochemical Information

  • Grade
    1291
  • Precipitations
    Very fine crystalline
  • Retention Rate
    2–3 µm

Product Information

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

Weights

  • Weight
    84 g/m²