LabExact
Grade CFP41 Cellulose Filter Paper, Qualitative, 20µm, 110mm, Fast Flow, 100/Pk SKU: LE-CFP41-110

Featuring high-purity cellulose fiber matrix technology delivering exceptional flow rates for rapid preliminary separations of gelatinous precipitates and coarse particles. The 20µm retention configuration with very fast flow characteristics makes this grade ideal for initial separation of gelatinous precipitates, enabling efficient processing of challenging samples while maintaining consistent filtration performance. Ultra-low ash content below 0.01% ensures minimal interference in subsequent analytical procedures requiring high chemical purity.

Key Cellulose Membrane Characteristics

High-porosity cellulose fiber matrix performs separation by trapping particulates within the random matrix of cellulose fibers located in the depth of the media
20µm particle retention delivers reliable coarse filtration while maximizing flow rates for high-volume processing applications
Hydrophilic surface chemistry provides excellent wetting characteristics and rapid sample uptake for aqueous solutions
Ultra-low ash content below 0.01% minimizes contamination and interference in gravimetric analysis procedures
Loose retention characteristics optimize processing speed for preliminary separations and particle classification protocols

Key Construction Characteristics

Standard 110mm diameter accommodates universal filter holder configurations and laboratory funnel applications
Optimized 0.220mm thickness balances mechanical strength with fast flow rates for efficient sample processing
Compatible with Whatman 1441-110, Ahlstrom 0540-0110, and MFS Advantec N05A11.0CM equivalent grades for method transfer
Nonsterile configuration suitable for routine analytical applications not requiring aseptic processing conditions
Convenient 100-piece packaging provides extended laboratory supply while maintaining product protection and accessibility

LE-CFP41-110 filters achieve superior processing efficiency for gelatinous precipitates, suspended solids, and coarse particle separations requiring rapid initial clarification. These papers are used in methods requiring the determination and identification of particulates in both liquid and gas samples, delivering versatile analytical support across multiple laboratory disciplines. Outstanding chemical compatibility with most aqueous solutions and organic solvents maximizes your method flexibility when processing diverse sample matrices demanding reliable preliminary filtration with minimal analytical interference.