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GE Healthcare 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.

$514.38 - $557.23

Specifications

Format Sheets
Grade Grade 4
Flow Rate Fast
Pore Size (Metric) 20 to 25μm
View More Specs

Products 2
Catalog Number Mfr. No. Dimensions (L x W) Price Quantity  
Catalog Number Mfr. No. Dimensions (L x W) Price Quantity  
09-825P Accessories View Documents GE Healthcare
1004917
460 x 570 mm (18.11 x 22.45 in.) Pack of 100 Each for $514.38
09927230 View Documents GE Healthcare
1004930*
580 x 580 mm (23 x 23 in.) Pack of 100 Each for $557.23
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

Sheets
Grade 4
Fast
20 to 25μm