Qualitative Filter Paper - 10311844
General clarification and sample preparation workflows require a cellulose filter paper with predictable performance across varying sample types. Standard basis weight specifications provide predictable filter packing density for volumetric displacement calculations in funnel assemblies. In practice, consistent physical properties across the full sheet area support uniform filtration results in both gravity and vacuum applications.
Key Filter Paper Characteristics
- Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
- At 85g/m² nominal basis weight, the paper provides the mass uniformity needed for reproducible gravimetric determinations.
- Standard cellulose without surface treatment delivers reliable performance for applications where chemical hardening is not required.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
If you're transitioning from qualitative screening to quantitative gravimetric work, the documented ash content above confirms this paper's suitability. Consistent sheet-to-sheet performance reduces the variability your operators encounter during high-volume daily filtration workflows. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
- Diameter
- 125mm
- 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
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
- Botanical Extraction - Separates plant tissue debris from aqueous and solvent extracts during natural product preparation workflows.
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
- Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.
- Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.