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.

Brand: Whatman™

Manufacturer Part Number: 1005-240

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.44000kg

Product Code. 11322865

Quantity Price
1 £ 71.3 / Pack of 100
10 £ 57.04 / Pack of 100
In Stock 5
Add to basket

Description and Specification


Material Cellulose
Pore Size (Metric) 2.5μm
Quantity 100Pack
Thickness (Metric) 200μm
Flow Rate Slow
Diameter (Metric) 240mm
Format Circle
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