Filter paper, quantitative

Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Slow, pore size 2 to 3 µm.

• for very fine precipitates and small particles
• for soil analysis
• for BaSO₄ (hot precipitate), PbSO₄, Cu₂O, ZnS, NiS
• ashless, equivalent blue tape

Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Fast, pore size 8 to 12µm.

• most frequently used quantitative filter
• for PbS, Ag₂S, FeS, carbonates
• ashless, equivalent white tape

Made from 100% cellulose.
Ash content 0,007%.
Filtration speed according to DIN 53137.
Capacity of separation according to DIN 53135.
Medium fast, pore size 5 to 8µm.

• for NH₄MgPO₄, CaC₂O₄, BaSO₄
• ashless, equivalent red tape

...

Circles. Quantitative. Ashless....

Circles. Quantitative. Ashless. For filtration of coarse and gelatinous precipitates. Supplied in box of 100....

Medium fast, 4 to 12 µm. White ribbon.

• for the analysis of foodstuffs
• for carbonates of alkaline earth metals, (NH₄)₃[P(Mo₃O₁₀)₄] x aq., Mg(NH₄)PO₄, CaC₂O₄ (hot precipitates)
• Weight: 85g/m²
• Thickness: 0.18mm

Slow < 2 µm. Blue ribbon.

• for very fine precipitates and small particles
• for soil analysis
• for BaSO₄ (hot precipitate), PbSo₄, Cu₂O, ZnS, NiS
• Weight: 84 g/m²
• Thickness: 0.16 mm

Fast 12 to 25µm
Black ribbon

• for coarse, high volume precipitates
• for determinations according to the German Standard Methods for the examination of water, waste water and sludge.
• most frequently used quantitative filter
• Weight: 80g/m²
• Thickness: 0.19mm

Fast filtration, smooth, ashless....