Quantitative filter papers, wet-strengthened, grade 1115, circles
The wet-strengthened filter papers exhibit a very high degree of mechanical stability. They are resistant against acidic and alkaline solutions and are suitable for pressure and vacuum filtration. They are made of 100 % cotton linters. For maximum purity the papers are acid-washed and cleaned with demineralized water. Ash content is 0.007 %.
Grade 1115, medium to slow filtering, particle retention 5-8 µm, filtration speed 50 s according to DIN 53137, basis weight 84 g/m², thickness 0.16 mm, wet strengthened
For fine precipitates (magnesium phosphate, ammonium phosphate, calcium oxalate, coarser flaked forms of barium sulphate). Especially high mechanical strength and resistance to acids and alkalis.
Ø | PK | Cat. No. | |||
---|---|---|---|---|---|
mm | |||||
1 | 42.5 | 100 | 7699030 | Open webshop | |
2 | 55 | 100 | 7699031 | Open webshop | |
3 | 70 | 100 | 7699032 | Open webshop | |
4 | 90 | 100 | 7699033 | Open webshop | |
5 | 110 | 100 | 7699034 | Open webshop | |
6 | 125 | 100 | 7699035 | Open webshop | |
7 | 150 | 100 | 7699036 | Open webshop | |
8 | 185 | 100 | 7699037 | Open webshop |