Qualitative Filter Paper - 10347522
Laboratories processing dozens of samples daily need a qualitative filter paper that performs reliably from the first sheet to the last. Manufactured without chemical hardening or acid washing, qualitative cellulose delivers the unmodified surface properties routine filtration requires. Standardized manufacturing protocols produce papers with retention and flow characteristics that remain constant from the first batch to the last.
Key Filter Paper Characteristics
- Enhanced mechanical properties support high differential pressures typical of vacuum manifold applications in high-volume laboratories.
- Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
- Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
- Available in precut circles and sheet stock to match funnel sizes and custom cutting requirements across laboratory applications.
- Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
When your application makes the filter paper part of the measurement, the ash and weight specifications above define its analytical contribution. In response, consistent sheet-to-sheet performance reduces the variability your operators encounter during high-volume daily filtration workflows. Take control of your sample preparation variables and ensure that your data reflects the true nature of your work, rather than the quality of your consumables.
- Diameter
- 370mm
- Flow Speed
- Medium Slow
- Folded/ Fluted/ Pleated
- No
- Grade
- Shark Skin
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 44g/m²
- Particle Retention
- 8-12um
- Pore Size (µm)
- 8.0-12.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Botanical Extraction - Separates plant tissue debris from aqueous and solvent extracts during natural product preparation workflows.
- Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
- 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.
- Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.