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Whatman™ Grade 597½ Qualitative Folded Filter Circles

Maintains flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. Whatman™ Grade 597½ Qualitative Folded Filter Circles eliminate the need to quadrant-fold circles to fit conical filter funnels in repetitive or multiple analyses.

Manufacturer: whatman™  10311841

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Catalog No. 09-924-181


Description & Specifications


Quantity 100Pack
Diameter (Metric) 70mm
Grade 597½
Material Cellulose
For Use With (Application) Food testing (e.g., determination of fat content) or removal of carbon dioxide and turbidity from beverages (e.g., beer analysis)
Thickness (Metric) 180μm
Pore Size (Metric) 4 to 7μm
Particle Retention Medium to fine
Flow Rate Medium Fast
Format Prepleated Circle
Disc Diameter 70mm
Thickness 180μm

Cellulose filters used in food testing and for the removal of CO2 and turbidity from beverages.

  • Increased load capacity
  • Decreased filtration time
  • Thin filter paper
  • Medium-fast
  • Medium to fine particle retention