Qualitative Filter Paper - 10312209
Laboratories processing dozens of samples daily need a qualitative filter paper that performs reliably from the first sheet to the last. Manufactured without chemical hardening or acid washing, qualitative cellulose delivers the unmodified surface properties routine filtration requires. Consistent physical properties across the full sheet area support uniform filtration results in both gravity and vacuum applications.
Key Filter Paper Characteristics
- Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
- Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
- Standard cellulose without surface treatment delivers reliable performance for applications where chemical hardening is not required.
- Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
Whether your method requires simple clarification or precise gravimetric determination, the documented specifications above define what this paper delivers. Broad grade availability lets you match retention, flow rate, and thickness to each specific application in your method library. Secure your research outcomes by partnering with a filtration solution that understands your need for speed, accuracy, and reproducibility.
- Diameter
- 90mm
- Flow Speed
- Medium Fast
- Folded/ Fluted/ Pleated
- No
- Grade
- 598
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 140g/m²
- Particle Retention
- 8-10um
- Pore Size (µm)
- 8.0-10.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- No
- Wettability
- Hydrophilic
- Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
- Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
- Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.