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185 mm Green Dot Quantitative Folded Filter Papers / Grade 390

These 185 mm diameter slow filtering, green dot folded filter papers are used for quantitative & gravimetric analyses as well as for pressure and 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-4-103-185

Price:  $81.00

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

Brochure

Filter Papers for the Laboratory and Industry
en 6.4 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
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
    ⌀ 185 mm
  • Thickness
    0.16 mm

Features

  • Color-coded Dot
    Green dot: Slow filtering, narrow-pore, dense, ash-free, wet-strengthened

Materials of Construction

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

Physicochemical Information

  • Grade
    390
  • Precipitations
    Fine crystalline
  • Retention Rate
    3–5 µm

Product Information

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

Specifications

  • Filter Format
    Folded
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    100 s
  • Specifications
    Narrow-pore, dense, slow filtering

Weights

  • Weight
    84 g/m²