Filter paper, Grade 1, Whatman , Dia. 85 mm

Qualitative filterpaper.

Filter paper, Grade number 1

The qualitative filter papers are made of refined pulp and linters with more than 95% alpha-cellulose content. The ash content of these filter papers is approx. <0.1%. They are essentially used for qualitative analyses.

Two categories of qualitative filter papers are offered: standard strength and with increased wet strength especially suitable for vacuum filtration or pressure filtration. They are available in different formats -rolls, sheets, discs, and folded filters.
Circles and sheets. Qualitative. The most widely used grade of filter paper.
Flowrate:
Retention:
Wet strength:
Thickness:
Ash: Medium/Fast
Medium
Low
0.18mm
0.06%
Dia. 85 mm