Ashless Grade 40 Quantitative Filter Paper

Ashless Grade 40 Quantitative Filter Papers are 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. The primary filter for separating solid matter from aqueous extracts in general soil analysis and quantitative determination of sediments in milk. They are used as a pure analytical grade clean-up filter for solutions prior to AA spectrophotometry, and a high purity filter in collecting trace elements and radionuclides from the atmosphere.

Key Features

• Classic general purpose ashless filter
• Medium filtration speed and retention
• Choose from: 90mm, 110mm, 125mm, 150mm, or 185 mm diameters