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: 1005-150

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.19000kg

Product Code. 11302865

Quantity Price
1 £ 31.9 / Pack of 100
10 £ 25.52 / Pack of 100
In Stock 10
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Description and Specification


Pore Size (Metric) 2.5μm
Flow Rate Slow
Thickness (Metric) 200μm
Material Cellulose
Quantity 100Pack
Diameter (Metric) 150mm
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