Grade 54 Filter Paper, Fast, 70mm Circle, 100/Pk SKU: 1454-070

Quantitative Ashless Filter Paper - 1454-070

Classical analytical methods requiring filter ignition with collected precipitate demand documented ash values verifiable through every production lot. Cellulose purity and documented ash specifications position ashless paper as the standard medium for ignition-based quantitative determinations. 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

• Chemical hardening of the cellulose fiber matrix provides the durability needed for quantitative procedures involving hot or corrosive reagents.
• Wet-strengthened construction provides the mechanical durability needed for technical filtration applications under sustained vacuum.
• Ashless filter paper provides the documented low residue needed for ignition-based analytical procedures where filter mass affects results.
• Designed for gravimetric determinations where the filter paper is ashed or ignited as part of the analytical measurement step.
• Acid-washed cellulose construction produces ash content below 0.01%, meeting the blank value requirements of quantitative gravimetric methods.

If your laboratory runs standardized filtration protocols, the lot-level consistency of this filter paper protects your method reproducibility. For exactly this reason, uniform fiber density across the sheet area ensures your precipitate capture remains consistent from center to edge. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.

Diameter

70mm

Grade

54

Material

Cotton

Pack Count

100

Pore Size (µm)

22

Sterility

Nonsterile

Wettability

Hydrophilic

• Lead Quantification - Captures lead sulfate precipitate for gravimetric determination in environmental and industrial samples.
• Calcium Oxalate Analysis - Captures calcium precipitate for ignition to calcium oxide, supporting clinical and water hardness testing.
• Phosphate Gravimetry - Collects magnesium ammonium phosphate precipitate for ignition to pyrophosphate in soil and fertilizer analysis.
• Sulfate Gravimetry - Retains barium sulfate precipitate for ignition-based sulfate quantification in water and industrial samples.
• Total Ash Testing - Provides the ultra-low blank needed for accurate ash determination in food, pharmaceutical, and material samples.
• Gravimetric Determination - Collects and ignites precipitates for accurate mass measurement with negligible filter blank contribution.