LabExact
CFP540 Quantitative Ashless Cellulose Filter Paper, Hardened, 7-8µm, 320mm, 100/Pk SKU: LE-CFP540-320

Featuring quantitative ashless cellulose fiber technology delivering exceptional wet strength performance for critical analytical applications. The hardened construction maintains structural integrity during extended filtering operations while <0.01% ash content ensures accurate gravimetric determinations. Optimized 7-8µm pore retention achieves medium flow rates ideal for sediment removal, particle separation, and clarification procedures requiring reliable analytical precision.

Key Cellulose Filter Characteristics

• Quantitative ashless formulation with extremely low ash content below 0.01% eliminates contamination in gravimetric analysis
• Hardened cellulose matrix delivers superior wet strength preventing tear-through during prolonged filtration cycles
• Medium porosity 7-8µm retention captures fine particles while maintaining optimal flow characteristics for analytical workflows
• Hydrophilic cellulose fibers provide excellent wetting properties accelerating sample processing in aqueous solutions
• Nonsterile construction accommodates standard laboratory protocols without requiring specialized handling procedures

Key Construction Characteristics

• Robust 0.210mm thickness withstands vacuum filtration pressures while delivering consistent particle retention throughout the filter bed
• Enhanced tensile strength (ASTM D828)¹ ensures handling integrity during filter installation and sample processing operations
• Large 320mm diameter maximizes filtration area for high-volume applications requiring accelerated throughput capabilities
• Precision-manufactured cellulose construction provides uniform pore distribution eliminating channeling and breakthrough issues
• Compatible with standard laboratory funnels and vacuum apparatus enabling seamless integration into existing analytical setups

CFP540 filters excel in analytical chemistry applications demanding both precision and reliability, delivering consistent results for sediment analysis, particle characterization, and solution clarification procedures. Outstanding chemical compatibility with most laboratory solvents maximizes analytical flexibility across diverse sample matrices, while the hardened construction prevents filter degradation during extended contact with challenging solutions. The quantitative ashless formulation transforms these filters into essential analytical tools, providing validated performance for gravimetric determinations, residue analysis, and quality control applications where measurement accuracy directly impacts critical analytical outcomes.