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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™ WHT10300012

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Catalog No. 09-924-103




Paper, Filter; Whatman; Quantitative; Ashless Grade; Black Ribbon Filter established standard in quantitative analysis for the filtration of coarse precipitates; High flow rate; Grade 589/1 circles; Pore size: 12-25μm; 150mm; 100/Pk.

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)
Description & Specifications


12 to 15μmm