Qualitative Filter Paper - 10310645
Separating precipitates from analytical solutions requires a cellulose matrix with the right balance of retention and flow rate. Uniform pore distribution across the sheet area ensures consistent particle capture from center to edge during gravity filtration. Rigorous quality control at every production stage ensures physical properties align with published grade specifications before distribution.
Key Filter Paper Characteristics
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
- Manufactured from high-purity cotton linters, qualitative filter paper provides a clean filtration surface with minimal fiber shedding.
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- Rated at 7-12um particle retention, the fiber matrix provides a defined cutoff for consistent separation across analytical batches.
When your budget requires balancing performance with cost efficiency, the documented consistency above ensures you're not paying for premium features you don't need. Addressing this directly, 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
- 150mm
- Flow Speed
- Slow
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 512
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 76-84g/m²
- Particle Retention
- 7-12um
- Pore Size (µm)
- 8
- 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.
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality 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.