Whatman Grade 4 Filter Paper, 9 cm - GEH1004090

Whatman Grade 4 Filter Paper, 9 cm

Choose the Whatman Grade 4 Filter Paper, 9 cm where consistent quality and simple reordering matter. These cellulose filters are used in qualitative analytical techniques to determine and identify materials.

Key Features

• Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
• 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.

Specifications