Whatman™ Qualitative Filter Paper: Grade 1 Sheets

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Sheets are widely used standard grade filter paper for routine applications with medium retention and flow rates.

Overview
Brand: Whatman™

Manufacturer Part Number: 1001-813

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.06000kg



Product Code. 11392815

Quantity Price
1 £ 54.25 / Pack of 1000
10 £ 43.4 / Pack of 1000
In Stock 30
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Description and Specification

Specification

Width (Metric) 26mm
Dimensions (L x W) 31 x 26mm
Length (Metric) 31mm
Material Cellulose
Quantity 1000Pack
Thickness (Metric) 180μm
Porosity Medium
Pore Size (Metric) 11μm
Flow Rate Medium
Format Sheet
Grade 1

 

These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: >11μm
  • Porosity: medium
  • Filtration speed: ASTM™, 40 sec.; Herzberg, 150 sec.
  • Surface: smooth
  • Separates precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate
  • Used for soil analysis and seed testing procedures in the agricultural industry
  • Used to separate solid foodstuffs from associated liquid or extract liquid in the food industry
  • Atmospheric dust is collected from airflow and the stain-intensity measured 
  • Impregnated with a chromogenic reagent and color formation quantified by optical reflectance for gas detection

 


Documentation