Circles, quantitative, red ribbon equivalent, grade 1015
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 1015, 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
For fine precipitates (magnesium phosphate, ammonium phosphate, calcium oxalate, coarser flaked forms of barium sulphate).
Ø | PK | Cat. No. | |||
---|---|---|---|---|---|
mm | |||||
1 | 42.5 | 100 | 7697818 | Open webshop | |
2 | 55 | 100 | 7697810 | Open webshop | |
3 | 70 | 100 | 7697811 | Open webshop | |
4 | 90 | 100 | 7697812 | Open webshop | |
5 | 110 | 100 | 7697813 | Open webshop | |
6 | 125 | 100 | 7697814 | Open webshop | |
7 | 150 | 100 | 7697815 | Open webshop | |
8 | 185 | 100 | 7697816 | Open webshop | |
9 | 210 | 100 | 7699051 | Open webshop | |
10 | 240 | 100 | 7697817 | Open webshop |