These 175 mm diameter medium-fast filtering, white dot filter paper discs are used for quantitative and 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
- Medium-fast filtering
- Medium- to wide-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.
Applications
- Analytical Sample Preparation
- Particle Analysis
- Clarification
Specifications
- Filter Format: Discs
- Filter Paper/Membrane Color: White
- Filtration Time: 20 s
- Grade: 389
- Medium- to wide-pore, medium fast filtering
- Thickness: 0.19 mm
- Dimensions (Filter Diameter): ⌀ 175 mm
- Filter Material: 100 % Cotton Linters (> 98 % alpha-cellulose; ash-free)
- Precipitations: Medium-fine crystalline
- Retention Rate: 8–12 µm
- Filter Type: Qualitative Filter Papers
Documents