LabExact
Grade CFP44 Quantitative Ashless Cellulose Filter Paper, 3µm, 70mm, Slow Flow, 100/Pk SKU: LE-CFP44-070

Featuring refined cellulose construction with acid-washed quantitative performance delivering exceptional precision for gravimetric analysis of fine precipitates. A 3µm particle retention specification with extremely low ash content below 0.01% ensures reliable separations in demanding analytical procedures. The 0.165mm thickness with slow flow characteristics optimizes filtration efficiency while maintaining analytical integrity for environmental testing, soil analysis, and trace element quantification protocols.

Key Quantitative Cellulose Membrane Characteristics

Ashless construction with less than 0.01% ash content eliminates analytical interference in gravimetric determinations
Cotton furnish with 85 g/m² basis weight provides consistent porosity and mechanical stability
Acid-washed refined pulp manufacturing delivers ultra-high purity for critical analytical applications
1.5-3.5µm retention range with slow flow rate captures fine particulates while optimizing separation efficiency
Depth filtration matrix entraps particles within cellulose fiber network ensuring complete retention during analytical procedures

Key Construction Characteristics

Standard 70mm diameter with 0.165mm thickness accommodates universal funnel configurations and laboratory equipment
Hydrophilic surface chemistry promotes complete wetting and consistent flow patterns in aqueous solutions
98% nominal retention efficiency in liquid applications ensures reliable particulate capture during filtration
Non-sterile processing maintains cost-effectiveness for routine analytical work without compromising performance
Similar performance to Grade CFP42 with slightly wider retention characteristics provides analytical flexibility

LE-CFP44-070 filters deliver optimal performance in environmental test procedures including soil sample analysis and trace element collection, maximizing analytical accuracy in your most demanding applications. Superior compatibility with liquid food testing, cement analysis, and spectrophotometry sample preparation transforms these filters into versatile analytical media. Industry-standard Whatman 1444-070 and Sartorius FT-3-103-070 equivalency provides seamless method transfer while ensuring consistent results across your quantitative analytical procedures requiring precise separation of fine precipitates.