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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.

Manufacturer: whatman™  1001-185

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Catalog No. 09-805H

  • / Pack of 100 Each
 

Description & Specifications

Specifications

Quantity 100/pk.
Diameter (Metric) 185mm
Grade 1
Material Cellulose
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
Thickness (Metric) 180μm
Porosity Medium
Particle Retention >11μm
Format Circle

 

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

 


Accessories

Accessories for Catalog Number: 09805H

Item Mfr. No. Item Description Price Per Unit Quantity