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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.

$360.88 - $1,624.81

Specifications

Grade 1
Material Cellulose
Flow Rate Medium
Pore Size (Metric) 11μm
Thickness (Metric) 180μm
View More Specs
Products
Catalog Number Mfr. No. Dimensions (L x W) Quantity Price Quantity    

09-806A

  Accessories
whatman™
1001-917
570 x 460mm 100Pack Pack of 100 Each for $360.88

09-805-1F

  Accessories
whatman™
1001-918
570 x 460mm 500Pack Pack of 500 Each for $1,624.81
Description & Specifications

Specifications

Grade 1
Material Cellulose
Flow Rate Medium
Pore Size (Metric) 11μm
Thickness (Metric) 180μm

 

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