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185 mm Yellow Dot Quantitative Filter Paper Discs / Grade 389 F

These 185 mm diameter medium-fast filtering, yellow 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-3-112-185

Price:  $71.00

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

100 Pieces
   

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

Brochure

Filter Papers for the Laboratory and Industry
en 6.4 MB
Carte da filtro per il laboratorio e l’industria
it 6.3 MB
Papiers filtres pour les laboratoires et l’industrie
fr 6.3 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 8.2 MB

Applications

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

Dimensions

  • Filter Diameter
    ⌀ 185 mm
  • Thickness
    0.19 mm

Features

  • Color-coded Dot
    Yellow dot: Medium fast filtering, medium- to wide-pore, low-fat content, ash-free, wet-strengthened

General Specifications

  • Filter Format
    Discs
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    20 s
  • Specifications
    Medium- to wide-pore, medium fast filtering

Materials of Construction

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

Physicochemical Information

  • Grade
    389 F
  • Precipitations
    Medium-fine crystalline
  • Retention Rate
    8–12 µm

Product Information

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

Weights

  • Basis Weight
    84 g/m²
  • Weight
    84 g/m²