Whatman™ Qualitative Filter Paper: Grade 1 Circles

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

Overview
Brand: Whatman™

Manufacturer Part Number: 1001-025

UNSPSC: 41104929

Code: 69

Additional Details:
Additional Details: Weight: 0.02000kg



Product Code. 11312805

Quantity Price
1 £ 31.1 / Pack of 400
10 £ 24.88 / Pack of 400
In Stock 1
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Description and Specification

Specification

Particle Retention >11μm
For Use With (Application) For clarifying liquids. Used in qualitative analytical separations of precipitates such as lead sulphate; air pollution monitoring, gas detection, soil analysis
Format Circle
Thickness (Metric) 180μm
Porosity Medium
Material Cellulose
Quantity 400Pack
Grade 1
Diameter (Metric) 25mm

 

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