Grade 589/2 Medium Fine Precipitate Filter, 110mm Circle (100 pcs) SKU: 10300110

Quantitative Ashless Filter Paper - 10300110

Gravimetric analysis demands filter paper that contributes virtually no residue after ignition, ensuring mass measurements reflect the sample alone. Controlled washing process removes metallic and mineral contaminants that would otherwise contribute measurable mass after ignition. Standardized manufacturing protocols produce papers with retention and flow characteristics that remain constant from the first batch to the last.

Key Filter Paper Characteristics

• Designed for gravimetric determinations where the filter paper is ashed or ignited as part of the analytical measurement step.
• Ash content of <0.01% provides the documented blank value specification that quantitative analytical methods require.
• Ashless filter paper provides the documented low residue needed for ignition-based analytical procedures where filter mass affects results.
• Pure cellulose without strengthening additives ensures the lowest possible extractable background for sensitive analytical methods.
• Controlled fiber density balances rapid filtration with complete precipitate capture for efficient quantitative determinations.

If your teaching or research laboratory processes high volumes of routine samples, the documented flow rates above translate directly to throughput. In these cases, consistent lot-to-lot ash values mean your validated gravimetric method stays valid without recalibrating blank corrections between purchases. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.

Diameter

110mm

Flow Speed

Medium

Folded/ Fluted/ Pleated

No

Grade

589/2

Hardened (Yes/ No)

No

Material

Cellulose Fiber

Nominal Ash Content (%)

<0.01%

Nominal Basis Weight (g/ m²)

85g/m²

Pack Count

100

Particle Retention

4-12um

Pore Size (µm)

4.0-12.0

Qualitative/ Quantitative

Quantitative

Sterility

Nonsterile

Wet Strengthened (Yes/ No)

No

Wettability

Hydrophilic

• Iron Determination - Collects iron hydroxide precipitate for gravimetric determination in ore assay and environmental analysis.
• Phosphate Gravimetry - Collects magnesium ammonium phosphate precipitate for ignition to pyrophosphate in soil and fertilizer analysis.
• Chloride Gravimetry - Retains silver chloride precipitate for mass-based chloride determination in water quality and process control.
• Zinc Analysis - Collects zinc ammonium phosphate precipitate for ignition-based quantification in metallurgical and water testing.
• Sulfate Gravimetry - Retains barium sulfate precipitate for ignition-based sulfate quantification in water and industrial samples.
• Aluminum Analysis - Collects aluminum hydroxide precipitate for ignition and weighing in metallurgical and environmental methods.