Grade 3 Qualitative Filter Paper, Standard, 150mm Circle, 100/Pk SKU: 1003-150

Qualitative Filter Paper - 1003-150

Routine laboratory filtration demands a filter paper that delivers consistent particle retention without slowing sample throughput. Cellulose fiber matrix maintains structural integrity through standard gravity and light vacuum filtration conditions. With this in mind, controlled manufacturing delivers the documented retention, flow rate, and physical consistency that analytical and preparative filtration methods require.

Key Filter Paper Characteristics

• Nominal basis weight of 185g/m² reflects the fiber density that determines flow rate, retention, and mechanical handling characteristics.
• Untreated cellulose provides the natural wicking and absorption properties that gravity filtration methods utilize.
• Controlled ash level at 0.06% ensures inorganic residue after ignition remains within the acceptable range for gravimetric procedures.
• Uniform fiber distribution across the sheet ensures consistent particle retention from edge to center for reproducible filtration results.
• Standard basis weight and thickness specifications provide predictable packing density for volumetric calculations in gravity funnels.

When your multi-site study requires comparable data across laboratories, papers manufactured to tight documented specifications ensure your results align. 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.

Diameter

150mm

Flow Speed

Slow

Folded/ Fluted/ Pleated

No

Grade

3

Hardened (Yes/ No)

No

Material

Cellulose Fiber

Nominal Ash Content (%)

0.06%

Nominal Basis Weight (g/ m²)

185g/m²

Pack Count

100

Particle Retention

6um

Pore Size (µm)

6

Qualitative/ Quantitative

Qualitative

Sterility

Nonsterile

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• Enzyme Clarification - Removes particulates from enzyme solutions before activity assays in biochemistry and industrial testing.
• Lysate Clarification - Separates cellular debris from crude lysates before downstream chromatographic or electrophoretic analysis.
• Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.
• Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
• General Clarification - Removes suspended solids from aqueous solutions by gravity filtration for routine sample preparation.
• Soil Extract Filtration - Clarifies soil slurries for nutrient and pH testing, removing fine particles that interfere with analysis.