Qualitative Filter Paper - 10331487
Routine laboratory filtration demands a filter paper that delivers consistent particle retention without slowing sample throughput. Cellulose fiber matrix maintains structural integrity through standard gravity and light vacuum filtration conditions. Documented grade specifications provide laboratories with the technical data needed to select appropriate papers without preliminary testing.
Key Filter Paper Characteristics
- Manufactured from high-purity cotton linters, qualitative filter paper provides a clean filtration surface with minimal fiber shedding.
- Enhanced wet strength allows vacuum filtration at higher differential pressures without risking paper rupture mid-run.
- Non-hardened paper balances effective particle retention with economical unit cost for high-volume routine laboratory use.
- Compatible with standard glass and plastic filter funnels, qualitative paper integrates into existing gravity filtration setups without modification.
- Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
When your quality system requires documented specifications for every consumable, the grade data above provides the traceability your auditors expect. In this context, rapid wetting and uniform pore distribution reduce the setup time your operators spend preparing each filtration run. Secure your research outcomes by partnering with a filtration solution that understands your need for speed, accuracy, and reproducibility.
- Dimensions
- 580 x 580mm
- Flow Speed
- Very Fast
- Folded/ Fluted/ Pleated
- No
- Grade
- 520A
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 90g/m²
- Pack Count
- 250
- Particle Retention
- 15-18um
- Pore Size (µm)
- 15.0-18.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
- Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.
- Soil Extract Filtration - Clarifies soil slurries for nutrient and pH testing, removing fine particles that interfere with analysis.