LabExact
Grade CFP42 Quantitative Ashless Cellulose Filter Paper, 2.5µm, 90mm, 100/Pack SKU: LE-CFP42-090

Featuring refined cellulose fiber technology with extremely high retention capability for the most demanding gravimetric analysis applications. Ultra-fine 2.5µm particle retention with ashless construction below 0.01% delivers unparalleled precision for fine precipitate collection and quantitative procedures. Manufactured from refined pulp and alpha linters with acid-washing treatment ensures consistent performance in critical analytical workflows requiring validated results.

Key Cellulose Membrane Characteristics

Exceptional 2.5µm retention efficiency captures very fine precipitates while maintaining optimal flow characteristics for extended filtration protocols
Extremely low ash content below 0.01% eliminates interference in gravimetric determinations and trace analysis procedures
Hydrophilic cellulose matrix provides excellent wetting properties for aqueous solutions and polar solvents in analytical applications
Medium porosity structure balances high retention with practical flow rates for routine laboratory separations
Refined pulp and alpha linter construction with acid-washing treatment delivers exceptional purity and reproducible performance

Key Construction Characteristics

Standard 90mm diameter accommodates most analytical funnel configurations and laboratory filtration setups
0.170mm thickness provides structural integrity during handling while maintaining optimal porosity for efficient filtration
Quantitative grade construction enables direct ignition in crucibles for ash-free gravimetric analysis protocols
Nonsterile packaging optimized for general laboratory use with convenient 100-pack quantities
Compatible with standard laboratory equipment including Büchner funnels and vacuum filtration systems

LE-CFP42-090 filters excel in analytical procedures requiring precise separation of very fine precipitates, delivering exceptional retention efficiency that accelerates your analytical workflows. Outstanding performance in quantitative analytical techniques such as gravimetric analysis enables direct ignition in pre-weighed crucibles, providing reliable results for your most critical measurements. Superior chemical purity and consistent manufacturing standards ensure reproducible performance across diverse analytical applications, from pharmaceutical testing to environmental analysis requiring validated quantitative results.