Quantitative filter paper circles, Hahnemühle Grade 589/5
High-purity ashless filter paper made from pure cellulose for slow filtration of fine or gel-like precipitates. Also known as Red Ribbon filters, the low ash content of these acid washed quantitative filters can be used for for routine quantitative analysis, such as aqueous suspensions in food control, beverage analysis, and ash content quantification.
Specifications:
- Surface: Smooth
- Particle retention in liquid: 2-4 µm
- Filtration speed: 450 s
- Thickness: 0,170 mm
- Basis weight: 84 g/m2
- Ash content: ≤ 0,01 %
