SLS Select Quantitative Ashless Filter Paper Discs - Slow
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%. Slow filtration quantitative filter paper.
Equivalent to Whatman grade 44
Recommended for slow filtration.
Weight: 74g/m2
Thickness: 0.16mm
Pore size: 7 - 9µm
Filtration speed: 100s
Supplied as plain discs
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