Quantitative filter paper circles, Hahnemühle Grade 589/2
High-purity ashless filter paper made from pure cellulose for medium speed filtration of medium-coarse precipitates such as grains of sand. Also known as White Ribbon filters, the low ash content of these acid washed quantitative filters can be used for for routine quantitative analysis, such as aqueous suspension in paper or flour analysis, or sand and ash content quantification.
Specifications:
- Surface: Smooth
- Particle retention in liquid: 4-12 µm
- Filtration speed: 140 s
- Thickness: 0,180 mm
- Basis weight: 85 g/m2
- Ash content: ≤ 0,01 %
