Grade 40 Quantitative Paper 15CM 1440-150

• Diameter: 15.0cm; Whatman™ Grade 40 Quantitative Filter Paper
• Retention: 8µm
• Classic general purpose ashless filter paper; medium speed and retention; typical applications include gravimetric analysis for numerous components in cements - clays - iron and steel products
• Primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk
• Used as a pure analytical grade clean-up filter for solutions prior to AA spectrophotometry; high purity filter in collecting trace elements and radionuclides from the atmosphere

The classic general purpose ashless filter paper with medium speed and retention. Typical applications include gravimetric analysis for numerous components in cements clays iron and steel products; as a primary filter for separating solid matter from aqueous extracts in general soil analysis quantitative determination of sediments in milk and as a pure analytical grade clean-up filter for solutions prior to AA spectrophotometry. Used also as a high purity filter in the collection of trace elements and radionuclides from the atmosphere. Retention: 8µm. Diameter: 15.0cm.