Qualitative Filter Paper - 10314871
Teaching laboratories introducing filtration techniques need a paper grade that produces reliable results while remaining cost-effective for student use. Available in circles, sheets, and prefolded formats to match specific funnel geometries and sample processing workflows. In practice, each sheet reflects production standards where fiber density, thickness, and retention characteristics are verified before lot release.
Key Filter Paper Characteristics
- Wet strength sufficient for gentle handling during precipitate transfer while maintaining the rapid flow rates of qualitative grades.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- At 7-12um rated retention, the fiber matrix captures particles above the threshold while allowing smaller materials to pass through.
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Wet-strengthened fiber matrix withstands extended contact with aqueous solutions without the disintegration that limits untreated papers.
Whether your method requires simple clarification or precise gravimetric determination, the documented specifications above define what this paper delivers. Specifically, standard qualitative construction integrates into your existing funnel hardware, requiring no new equipment investment for reliable results. Secure your research outcomes by partnering with a filtration solution that understands your need for speed, accuracy, and reproducibility.
- Dimensions
- 70mm x 100m
- Flow Speed
- Medium
- Folded/ Fluted/ Pleated
- No
- Grade
- 1574
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 90 g/m²
- Particle Retention
- 7-12um
- Pore Size (µm)
- 7.0-12.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- 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.
- Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
- Botanical Extraction - Separates plant tissue debris from aqueous and solvent extracts during natural product preparation workflows.