Qualitative Filter Paper - 10311812
From student teaching labs to production QC departments, qualitative filter paper remains the workhorse for routine particle separation. Controlled fiber density produces documented flow rate and retention characteristics that remain consistent across production lots. Together, documented grade specifications provide laboratories with the technical data needed to select appropriate papers without preliminary testing.
Key Filter Paper Characteristics
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
- Compatible with standard glass and plastic filter funnels, qualitative paper integrates into existing gravity filtration setups without modification.
- Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- Rated at 4-7um particle retention, the fiber matrix provides a defined cutoff for consistent separation across analytical batches.
When your multi-site study requires comparable data across laboratories, papers manufactured to tight documented specifications ensure your results align. Cotton linter cellulose provides the clean fiber background your general analytical methods need without the cost of specialty grades. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
- Diameter
- 150mm
- Flow Speed
- Medium Fast
- Folded/ Fluted/ Pleated
- No
- Grade
- 597
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 85g/m²
- Pack Count
- 100
- Particle Retention
- 4-7um
- Pore Size (µm)
- 4.0-7.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- No
- Wettability
- Hydrophilic
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
- Botanical Extraction - Separates plant tissue debris from aqueous and solvent extracts during natural product preparation workflows.
- Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
- Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.