SLS Select Quantitative Ashless Filter Paper Discs - Very Slow - 90mm

Stock Code: 3673258
Manufacturer Part No: SLS2172

Descriptions

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%. Very slow filtration quantitative filter paper.

Equivalent to Whatman grade 42

Recommended for very slow filtration

Weight: 84g/m²

Thickness: 0.17mm

Pore size: 2 - 4µm

Filtration speed: 140s

Supplied as plain discs