Used commonly in quantitative and qualitative analysis, filter papers must be closely matched to the application according to the physical characteristics of the filter paper.
There are many sizes, materials, types, and grades of filter paper available for a variety of applications. Open Source Steel filter papers use only the highest quality raw materials for high reproducibility and high uniformity. Open Source cellulose filter papers are manufactured from high-quality cotton liners that are treated to achieve an α-cellulose content >98%. A wide selection of our filter papers are available to suit numerous laboratory applications.
A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis. These cellulose filters are used in qualitative analytical techniques to determine and identify materials.
The maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis. Slow & Fast flow rates available. Excellent clarifying filter for cloudy suspensions and for water and soil analysis.
Equivalent to Whatman Grade 5 Product Appearance: Smooth Filtration Speed: Slow & Fast available Ash Content(%): <0.06 Basis Weight(g/m2): 98 Wet Burst(psi): 0.4