Whatman® Grade 4 filter paper is extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Whatman® Grade 4 filter paper has a particle retention of 25 ?m at 98% efficiency.
Product code:
FIL2091
Size:
150mm
Grade:
4
Pack Size:
100
Description
Whatman® Grade 4 filter paper is extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.
Whatman® Grade 4 filter paper has a particle retention of 25 ?m at 98% efficiency.
