Qualitative Filter Paper - 10311822
Gravity filtration methods for removing suspended solids require filter paper that seats cleanly in funnels and retains particles consistently. Uniform pore distribution across the sheet area ensures consistent particle capture from center to edge during gravity filtration. Lot-level verification of retention, thickness, and ash content ensures predictable performance when scaling from method development to routine analysis.
Key Filter Paper Characteristics
- Wet strength sufficient for gentle handling during precipitate transfer while maintaining the rapid flow rates of qualitative grades.
- Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
- Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
- Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
- Pure cellulose without strengthening additives ensures the lowest possible extractable background for sensitive analytical methods.
If your laboratory runs standardized filtration protocols, the lot-level consistency of this filter paper protects your method reproducibility. Cotton linter cellulose provides the clean fiber background your general analytical methods need without the cost of specialty grades. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.
- Diameter
- 320mm
- Flow Speed
- Medium Fast
- Folded/ Fluted/ Pleated
- No
- Grade
- 597
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 85g/m²
- Pack Count
- 100
- Particle Retention
- 4-7um
- Pore Size (µm)
- 4.0-7.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- No
- 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.
- Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
- Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
- 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.