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Whatman™ Qualitative Filter Papers: Grade 4 Sheets

Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Papers: Grade 4 Sheets are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

Brand:  Whatman™ 1004-917

UNSPSC : 41120000

Code : A0

Additional Details : Weight : 2.31000kg

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Product Code. 11342855

  • £164.62 / Pack of 100


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Description

Description

 

These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: 25μm
  • Porosity: Coarse
  • Filtration speed: Herzberg, 37 sec.
  • Surface: smooth
  • Extremely fast filtering  with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide
  • Useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis
Specifications

Specifications

100Pack
570mm
210μm
Coarse particles and gelatinous precipitates
Sheet
4
460mm
20 to 25μm
Fast
570 x 460mm