Qualitative Filter Paper - 10312751
Routine laboratory filtration demands a filter paper that delivers consistent particle retention without slowing sample throughput. Standard basis weight specifications provide predictable filter packing density for volumetric displacement calculations in funnel assemblies. To this end, from fiber selection through final inspection, the manufacturing process ensures every sheet meets the performance specifications of its grade.
Key Filter Paper Characteristics
- Manufactured from high-purity cotton linters, qualitative filter paper provides a clean filtration surface with minimal fiber shedding.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
- Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
If your environmental monitoring program depends on sample comparability to determine trends, the production consistency of this filter paper protects your data validity. Meeting this challenge, wide retention range availability across the qualitative grade family lets you optimize each application in your sample preparation workflow. Make the decision for consistency and reliability, ensuring that your laboratory maintains its reputation for high-quality, error-free output.
- Diameter
- 240mm
- Flow Speed
- Fast
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 604
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 80g/m²
- Pack Count
- 100
- Particle Retention
- 25um
- Pore Size (µm)
- 25
- 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.
- 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.
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.