text.skipToContent text.skipToNavigation

Qualitative Papers/ Grade 1291

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-cellulose content, are very pure with an ash content < 0.1%.

Order Number:  FT-3-209-185

Availability:  On Request

  • Made of refined pulp and cotton linters with an > 95% α-cellulose content,
  • Ash content < 0,1% according to DIN 54370
  • Wet-strengthened

Brochure

Filter Papers for the Laboratory and Industry
en 9.1 MB
Papiers filtres pour les laboratoires et l’industrie
fr 10.7 MB
Carte da filtro per il laboratorio e l’industria
it 9.0 MB

Catalog

Laboratory Filtration Products (US and Canada)
en 9.6 MB

Product properties

  • Colour
    White
  • Dimensions
    185 mm
  • Weight
    84 g/m²
  • Primary Product Type
    Filters
  • Grade
    1291
  • Packaging
    Non-sterile, bulk packed
  • Pack size
    100
  • Material
    Refined pulp and linters, ash-free
  • Filter Type
    Qualitative Filter Papers
  • Filter Format
    Discs

Technical attributes

  • Filter material
    Cotton Linters and Refined Pulp (> 95 % alpha-cellulose)
  • Recycled
    Yes
  • Area of application
    Clarification` Analytical Sample Preparation` Particle Analysis
  • Thickness
    0.15 mm
  • Filtration time
    180 s
  • Particle retention
    2-3 µm
  • Specifications
    Fine-pore, dense, very slow filtering
  • Precipitations
    Very fine crystalline

No accessories & consumables found