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Wet-strengthened Filter Papers for Qualitative Analyses

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-celluloose content, are very pure with an ash content < 0.1%.

   

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Grade

Weight (g/m²)

Thickness (mm)

Filtration Time (s)

Particle
retention (µm)

Precipitates

Properties

1288

84

0.21

10

12 - 15

Coarse crystalline

Fast filtration

1289

84

0.21

20

8 - 12

Medium-fine crystalline

Medium-fast filtration

1292

84

0.17

50

5 - 8

Fine crystalline

Medium-slow filtration

1290

84

0.15

100

3 - 5

Fine crystalline

Slow filtration

1291

84

0.15

180

2 - 3

Very fine crystalline

Very slow filtration

293

80

0.15

300

1 - 2

Very fine crystalline

Very slow filtration

Brochure

Carte da filtro per il laboratorio e l’industria
it 2.4 MB
Papiers filtres pour les laboratoires et l’industrie
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zh 2.9 MB
Filter Papers for the Laboratory and Industry
en 6.4 MB

Catalog

Laboratory Filtration Products
en 17.2 MB