| Cat. No. | Ø mm | PK | |
|---|---|---|---|
| 7697830 | 42.5 | 100 | |
| 7697831 | 55 | 100 | |
| 7697832 | 70 | 100 | |
| 7697833 | 90 | 100 | |
| 7697834 | 110 | 100 | |
| 7697835 | 125 | 100 | |
| 7697836 | 150 | 100 | |
| 7697837 | 185 | 100 | |
| 7697838 | 210 | 100 | |
| 7697839 | 240 | 100 |
The LABSOLUTE® 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).