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Whatman® Qualitative Filter Paper, Grade 4, Diam. 270 mm, Whatman (CAT#: STEM-L-4593-LC)
Highlights
Very fast filtration speed
Cat Number: STEM-L-4593-LC
Application: Ideal for cleaning of organic extracts of biological fluids during analysis
Model: WHA1004270
Description
The Whatman® Qualitative Filter Paper, Grade 4 manufactured by Whatman is ideal for retention of coarse particles and gel-like precipitates, or for air pollution monitoring where requiring high flow rate. It features very fast filtration speed.
Specification
Material: Cellulose filters, circles
Packaging: Pack of 100
Parameter: 37 sec/100 mL speed (Herzberg), 0.22 psi wet burst
Diam.: 270 mm
Thickness: 205 μm
Ash: ≤0.06%
Pore size: 20-25 μm (Particle retention)
Basis weight: 92 g/m2
Packaging: Pack of 100
Parameter: 37 sec/100 mL speed (Herzberg), 0.22 psi wet burst
Diam.: 270 mm
Thickness: 205 μm
Ash: ≤0.06%
Pore size: 20-25 μm (Particle retention)
Basis weight: 92 g/m2
Features
Very fast filtration speed
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Wide range of applications
For various laboratory needs
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