Whatman 10320875 597NF/IND 300mmx50M 1/Pk SKU: 10320875

Qualitative Filter Paper - 10320875

Routine quality control filtration across multiple product lines requires a filter paper that delivers consistent retention without batch-to-batch performance drift. Uniform pore distribution across the sheet area ensures consistent particle capture from center to edge during gravity filtration. To this end, quality-controlled production produces filter paper with the documented consistency that reproducible analytical and preparative methods demand.

Key Filter Paper Characteristics

• At 4-7um rated retention, the fiber matrix captures particles above the threshold while allowing smaller materials to pass through.
• Smooth surface finish supports clear visual inspection of retained material and clean separation from the collected filtrate.
• Medium porosity cellulose matrix captures suspended solids while maintaining the throughput needed for efficient batch processing.
• Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
• Standard construction delivers adequate wet strength for conventional filtration while maintaining economical cost for routine applications.

Your sample preparation workflow benefits from a filter paper whose performance is defined, documented, and consistent from one purchase to the next. In response, sheet-to-sheet consistency means your training investment carries forward as new staff learn the same predictable filtration behavior. 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.

Dimensions

300mm x 50m

Flow Speed

Medium Fast

Folded/ Fluted/ Pleated

No

Grade

597NF

Hardened (Yes/ No)

No

Material

Cellulose Fiber

Nominal Basis Weight (g/ m²)

85 g/m²

Particle Retention

4-7um

Qualitative/ Quantitative

Qualitative

Sterility

Nonsterile

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• Soil Extract Filtration - Clarifies soil slurries for nutrient and pH testing, removing fine particles that interfere with analysis.
• Paint and Coatings QC - Removes gels and undispersed pigment from coating samples prior to color measurement and viscosity testing.
• 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.
• Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
• Pigment Screening - Separates undispersed colorant particles from coating formulations during color development and QC testing.