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Whatman™ Grade 1 Qualitative Filter Paper

Provides medium retention and flow rate. Whatman™ Grade 1 Qualitative Filter Paper is frequently used in clarifying liquids, soil analysis and seed testing procedures.

Manufacturer: whatman™  1001-918

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Catalog No. 09-805-1F


Description & Specifications


Quantity 500Pack
Grade 1
Length (Metric) 460mm
Material Cellulose
Width (Metric) 570mm
Thickness (Metric) 180μm
Pore Size (Metric) 11μm
Porosity Medium
Flow Rate Medium
Format Sheet
Dimensions (L x W) 460 x 570mm

  • Particle Retention: >11μm
  • Porosity: medium
  • Filtration speed†: ASTM™, 40 sec.; Herzberg, 150 sec.
  • Surface: smooth


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