Blue Dot Quantitative Filter Papers / Grade 391 / 105 × 148 mm Sheets

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Blue Dot Quantitative Filter Papers / Grade 391 / 105 × 148 mm Sheets
 

These 105 x 148 mm very slow filtering, blue dot filter paper sheets 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.

Price (USD):
$120.00
Item No.: 
FT-2-104-105148
Availability: 

*Custom/bulk order quotes are provided within 24 hours of request.

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  • Made of 100 % cotton linters
  • Ash-free (ash content ≤ 0.01 % according to DIN 54370)
  • Wet-strengthened
  • Color-coded box for easy selection
  • Very slow filtering
  • Fine-pore
  • 100 sheets per pack

Brochure

Filter Papers for the Laboratory and Industry
en 4.1 MB

Applications

  • Application
    Clarification  
  • Application Area
    • Analytical sample preparation  
    • Particle analysis  

Dimensions

  • Dimensions
    105 × 148 mm  
  • Filter Diameter
    N/A  

General Specifications

  • Filter Format
    Sheets  
  • Filter Paper/Membrane Color
    White  
  • Filtration Time
    180 s  
  • Grade
    391  
  • Specifications
    Fine-pore, dense, very slow filtering  
  • Thickness
    0.15 mm  

Materials of Construction

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

Physicochemical Information

  • Pore Size
    N/A  
  • Precipitations
    Very fine crystalline  
  • Retention Rate
    2–3 µm  

Product Information

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

Weight

  • Basis Weight
    84 g/m²