Circles, quantitative, blue ribbon equivalent, grade 1025
The filter papers for quantitative analyses 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 1025, very slow filtering, particle retention 2-3 µm, filtration speed 180 s according to DIN 53137, basis weight 84 g/m², thickness 0.14 mm
For difficult filtration requirements or very fine precipitates (e.g. barium sulphate, copper oxide, tin oxide).
Ø | PK | Cat. No. | |||
---|---|---|---|---|---|
mm | |||||
1 | 42.5 | 100 | 7697808 | Open webshop | |
2 | 55 | 100 | 7697809 | Open webshop | |
3 | 70 | 100 | 7697800 | Open webshop | |
4 | 90 | 100 | 7697801 | Open webshop | |
5 | 110 | 100 | 7697802 | Open webshop | |
6 | 125 | 100 | 7697803 | Open webshop | |
7 | 150 | 100 | 7697804 | Open webshop | |
8 | 185 | 100 | 7697805 | Open webshop | |
9 | 210 | 100 | 7699052 | Open webshop | |
10 | 320 | 100 | 7697807 | Open webshop | |
11 | 240 | 100 | 7697806 | Open webshop |