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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.

Manufacturer:  Whatman™ WHT1001918

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Catalog No. 09-805-1F


 

Specifications

Description

Plain Circles and Sheets, Qualitative Grade, Whatman; Grade 1; Porosity: medium; Filtration speed: 40 sec.; Smooth surface; Diameter or L x W: 46 x 57cm; Particle Retention: >11μm; 500/Pack

 

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

 


Description & Specifications

Specifications

500Pack
570mm
460mm
11μm
Medium
570 x 460mm
1
Cellulose
180μm
Medium
Sheet
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