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Cytiva (Formerly GE Healthcare Life Sciences) Whatman™ Qualitative Filter Paper: Grade 4 Circles Edge
Edge

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

Manufacturer:  Cytiva (Formerly GE Healthcare Life Sciences) 1004125

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Catalog No. 09-825D


Edge

Description

Description

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

 

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
210μm
A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Grade 4
Medium
Circles
210 μm
20 to 25μm
Grade 4 Qualitative Filter Paper Standard Grade, circle, 125 mm
125 mm
Cellulose
Fast
Ø 125 mm
SDS
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