These 100 mm diameter very slow filtering, purple dot filter paper discs are used for quantitative & gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100 % cotton linters with an ?-cellulose content of > 98 % and are acid-washed to make the papers ashless and achieve high purity.
- Made of 100 % cotton linters
- Ash-free (ash content ? 0.01 % according to DIN 54370)
- Wet-strengthened
- Color-coded box for easy selection
- Very slow filtering
- Very fine-pore
- 100 discs per pack
Note: For all International Orders, the buyer will be solely responsible for the customs clearance, duty, and taxes imposed on the package.