Qualitative Filter Paper - 10311856
Laboratories processing dozens of samples daily need a qualitative filter paper that performs reliably from the first sheet to the last. Controlled fiber density produces documented flow rate and retention characteristics that remain consistent across production lots. From fiber selection through final inspection, the manufacturing process ensures every sheet meets the performance specifications of its grade.
Key Filter Paper Characteristics
- Standard cellulose construction provides reliable performance for gravity filtration and light vacuum applications.
- Manufactured from high-purity cotton linters, qualitative filter paper provides a clean filtration surface with minimal fiber shedding.
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Available in precut circles and sheet stock to match funnel sizes and custom cutting requirements across laboratory applications.
When your quality system requires documented specifications for every consumable, the grade data above provides the traceability your auditors expect. For this application, wide retention range availability across the qualitative grade family lets you optimize each application in your sample preparation workflow. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
- Diameter
- 500mm
- Flow Speed
- Medium Fast
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 597
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 85g/m²
- Particle Retention
- 4-7um
- Pore Size (µm)
- 4.0-7.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- No
- Wettability
- Hydrophilic
- Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
- Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.
- Soil Extract Filtration - Clarifies soil slurries for nutrient and pH testing, removing fine particles that interfere with analysis.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.