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
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