12.5cm Diameter, Pore Size: 20-25µm
Whatman™ Grade 4 Qualitative Filter Paper
Used in qualitative analytical techniques to determine and identify materials
Extremely fast filtering; provides excellent retention of coarse particles (20-25µm) and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide
Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical
Pack of 100
Manufacturer: Cytiva