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Whatman™ Qualitative Filter Paper: Grade 5 Circles

Retains the fine precipitates encountered in chemical analysis. Whatman™ Qualitative Filter Paper - Grade 5 Circles are excellent clarifying filters for cloudy suspensions and for water and soil analysis.

Manufacturer: whatman™  WHT1005320

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Catalog No. 09-830M

  • / Pack of 100 Each

Description & Specifications


Material Cellulose
Quantity 100Pack
Flow Rate Slow
Pore Size (Metric) 2.5μm
Thickness (Metric) 200μm
Format Circle
Diameter (Metric) 320mm
Grade 5
Porosity Fine


These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: 2.5μm; most retentive grade of filter series
  • Porosity: Fine
  • Filtration speed: Herzberg, 1420 sec.
  • Surface: smooth, dense
  • Slow flow rate
  • Maximum degree of fine particle filtration in the qualitative range
  • Useful for clarifying cloudy suspensions, water analysis, Buchner funnel filtration


Accessories for Catalog Number: 09830M

Item Mfr. No. Item Description Price Per Unit Quantity  
Fisherbrand™ Filter Forceps
Easy, effortless handling of membranes and glass fiber filters Each for $11.07