Dear customer, planned maintenance work will be carried out in our online store on January 11 from 10pm to midnight. For this reason, there may be functional restrictions during this period.

70 mm White Dot Quantitative Filter Paper Discs / Grade 389

These 70 mm diameter medium-fast filtering, white dot filter paper discs 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)
$18.60
Item No.: 
FT-3-102-070
Availability: 
For more information please log in
Est. delivery date:
For more information please log in
Pieces
100
*Custom/bulk order quotes are provided within 24 hours of request.
70 mm White Dot Quantitative Filter Paper Discs / Grade 389
70 mm White Dot Quantitative Filter Paper Discs / Grade 389

These 70 mm diameter medium-fast filtering, white dot filter paper discs 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):
$18.60
Item No.:
FT-3-102-070
Availability: 
For more information please log in
Est. delivery date:
For more information please log in
Number of pieces
100

Overview

Specifications

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

Applications

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

Dimensions

  • Dimensions
    N/A
  • Filter Diameter
    ⌀ 70 mm

General Specifications

  • Filter Format
    Discs
  • Filter Paper/Membrane Color
    White
  • Filtration Time
    20 s
  • Grade
    389
  • Specifications
    Medium- to wide-pore, medium fast filtering
  • Thickness
    0.19 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
    Medium-fine crystalline
  • Retention Rate
    8–12 µm

Product Information

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

Weight

  • Basis Weight
    84 g/m²

Share Your Thoughts!

Help us amplify the customer experience by providing a review of your recently purchased Sartorius product.