Qualitative Filter Paper, Medium Fast, 11 um, 90mm, 100/Pk SKU: CF15032

Qualitative Filter Paper - CF15032

Isolating precipitates from reaction mixtures requires a cellulose matrix that captures solid material completely without premature filter blinding. From student teaching labs to production QC departments, qualitative filter paper remains the workhorse for routine particle separation. For this reason, consistent physical properties across the full sheet area support uniform filtration results in both gravity and vacuum applications.

Key Filter Paper Characteristics

• Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
• Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
• Ash content of ≤0.15% provides the documented blank value specification that quantitative analytical methods require.
• Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
• Manufactured from high-purity cotton linters, qualitative filter paper provides a clean filtration surface with minimal fiber shedding.

If your laboratory runs standardized filtration protocols, the lot-level consistency of this filter paper protects your method reproducibility. Meeting this challenge, economical unit cost at the pack quantities routine laboratories consume keeps your filtration budget aligned with actual throughput demands. Secure your research outcomes by partnering with a filtration solution that understands your need for speed, accuracy, and reproducibility.

Capacity

1mL

Diameter

90mm

Flow Speed

Medium Fast

Folded/ Fluted/ Pleated

No

Hardened (Yes/ No)

No

Material

Cellulose

Nominal Ash Content (%)

≤0.15%

Nominal Basis Weight (g/ m²)

80±5g/m²

Pack Count

100

Particle Retention

11um

Pore Size (µm)

11

Qualitative/ Quantitative

Qualitative

Sterility

Nonsterile

Weight

0.13

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
• Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
• Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
• Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
• Botanical Extraction - Separates plant tissue debris from aqueous and solvent extracts during natural product preparation workflows.
• Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.