Qualitative Filter Paper - 10314745
From student teaching labs to production QC departments, qualitative filter paper remains the workhorse for routine particle separation. Controlled fiber density produces documented flow rate and retention characteristics that remain consistent across production lots. Accordingly, standardized manufacturing protocols produce papers with retention and flow characteristics that remain constant from the first batch to the last.
Key Filter Paper Characteristics
- Unmodified cellulose surface provides natural hydrophilic properties for rapid wetting in aqueous filtration applications.
- Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
- Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
- Strengthening treatment preserves paper structure through extended filtration runs where continuous wetting would weaken standard grades.
- Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
If you're transitioning from qualitative screening to quantitative gravimetric work, the documented ash content above confirms this paper's suitability. 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.
- Diameter
- 150mm
- Flow Speed
- Fast
- Folded/ Fluted/ Pleated
- Yes
- Grade
- 1573
- Hardened (Yes/ No)
- No
- Material
- Cellulose Fiber
- Nominal Basis Weight (g/ m²)
- 88g/m²
- Particle Retention
- 12-25um
- Pore Size (µm)
- 12.0-25.0
- Qualitative/ Quantitative
- Qualitative
- Sterility
- Nonsterile
- Wet Strengthened (Yes/ No)
- Yes
- Wettability
- Hydrophilic
- Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
- Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
- Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
- Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
- Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
- General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.