Grade 2555 1/2 Qualitative Filter Paper Folded (Prepleated), 185mm, 100/Pk SKU: 10313947

Qualitative Filter Paper - 10313947

From student teaching labs to production QC departments, qualitative filter paper remains the workhorse for routine particle separation. Natural cellulose wettability eliminates the pre-wetting step required by hydrophobic membranes in aqueous sample filtration. As a result, 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.
• Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.
• Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
• Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
• Untreated cellulose construction provides the pure, unmodified surface appropriate for routine filtration and general sample preparation.

When your quality system requires documented specifications for every consumable, the grade data above provides the traceability your auditors expect. 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

185mm

Flow Speed

Medium Fast

Folded/ Fluted/ Pleated

Yes

Grade

2555

Hardened (Yes/ No)

No

Material

Cellulose Fiber

Nominal Basis Weight (g/ m²)

75g/m²

Particle Retention

7-12um

Pore Size (µm)

7.0-12.0

Qualitative/ Quantitative

Qualitative

Sterility

Nonsterile

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
• Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
• Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
• Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.
• 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.