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Whatman™ Quantitative Filter Paper: Grade 589/1 Circles

Designed for fast filtration of coarse precipitate. Whatman™ Grade 589/1 Quantitatve FIlter Paper Circles support tests such as cement fineness measurement in a standard Blaine test or determination of the ash content in foodstuffs. 

Manufacturer: whatman™  WHT10300014

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Catalog No. 09-924-104

  • / Pack of 100 Each

Description & Specifications


Thickness (Metric) 190μm
Diameter (Metric) 185mm
Particle Retention 12 to 15μmm
Flow Rate High
Grade 589/1
Format Circle
Quantity 100Pack
Porosity Course
Material High-quality Cotton Linters
Pore Size (Metric) 12 to 25μm
Grade 589/1

Ashless grade are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman™ quantitative filter papers are designed for gravimetric analysis and the preparation of samples for instrumental analysis. 
  • For coarse precipitate retention
  • Herzberg filtration speed of 50 s
  • Black Ribbon Filter for filtration of coarse precipitates
  • Ashless with very high flow rate
  • High purity (< 0.01% ash)