Circles, quantitative, green ribbon equivalent, grade 1020
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 1020, slow filtering, particle retention 3-5 µm, filtration speed 100 s according to DIN 53137, basis weight 84 g/m², thickness 0.15 mm
For fine-grained precipitates (e.g. lead oxide, calcium fluoride, nickel sulphide, zinc sulphide).
Ø | PK | Cat. No. | |||
---|---|---|---|---|---|
mm | |||||
1 | 42.5 | 100 | 7697830 | Open webshop | |
2 | 55 | 100 | 7697831 | Open webshop | |
3 | 70 | 100 | 7697832 | Open webshop | |
4 | 90 | 100 | 7697833 | Open webshop | |
5 | 110 | 100 | 7697834 | Open webshop | |
6 | 125 | 100 | 7697835 | Open webshop | |
7 | 150 | 100 | 7697836 | Open webshop | |
8 | 185 | 100 | 7697837 | Open webshop | |
9 | 210 | 100 | 7697838 | Open webshop | |
10 | 240 | 100 | 7697839 | Open webshop |