Whatman Grade 4 Filter Paper, 11 cm - GEH1004110

Whatman Grade 4 Filter Paper, 11 cm

The Whatman Grade 4 Filter Paper, 11 cm is held for professional buyers who need dependable, repeatable supply. 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