The quantitative or ashless filter papers are made with 100% high quality cotton linter fibres, which go through a severe chemical process. They have been washed out with a specific acid treatment and finally cleaned from impurities with demineralised water. This process allows reaching an ash content below 0.01%. Fast filtration quantitative filter paper.
- Equivalent to Whatman grade 43
- Recommended for fast filtration
- Weight: 84g/m2
- Thickness: 0.2mm
- Pore size: 20 - 25µm
- Filtration speed: 27s
- Supplied as plain discs
This product has met the following criteria: