Qualitative Filter Paper - 1214-320
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. Rigorous quality control at every production stage ensures physical properties align with published grade specifications before distribution.
Key Filter Paper Characteristics
- At 190g/m² nominal basis weight, the paper provides the mass uniformity needed for reproducible gravimetric determinations.
- Wet strength sufficient for gentle handling during precipitate transfer while maintaining the rapid flow rates of qualitative grades.
- Enhanced wet strength allows vacuum filtration at higher differential pressures without risking paper rupture mid-run.
- Particle retention rating of 25um defines the separation threshold for the application, determining which solids are captured and which pass through.
- Compatible with standard glass and plastic filter funnels, qualitative paper integrates into existing gravity filtration setups without modification.
Reporting filtration parameters alongside your analytical results demands documented grade, retention, and lot traceability for reviewer confidence. For exactly this reason, broad grade availability lets you match retention, flow rate, and thickness to each specific application in your method library. 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
- 320mm
- Flow Speed
- Fast
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 114V
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 190g/m²
- Pack Count
- 100
- Particle Retention
- 25um
- Pore Size (µm)
- 25
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.
- 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.