OMICRON® Quantitative(Ashless) Filter Paper - 410R - 20-22µm
Ashless, high purity cellulose papers specially crafted for critical gravimetric and instrumental analysis procedures. These filters are produced from carefully selected cotton linters containing >98% alpha-cellulose. Double acid-washing followed by ultra-pure water rinsing ensures ash content is consistently ≤0.007%, minimizing contamination and ensuring precise analytical results.
Key Features
- Ashless Design: Ash content ≤0.007% to prevent interference in sensitive analysis
- High-Purity Cellulose: Made from refined cotton linters and α-cellulose
- Chemically Neutral: Acid-washed and ultra-pure water rinsed for maximum purity
- Trace Metal Safe: Free from mineral and metallic impurities
- Consistent Performance: Strict quality control ensures reliable and uniform results
Technical Specifications
- Type: Fast Ashless Quantitative Filter
- Particle Retention(µm): 20-22µm
- Initial Filtration Speed(Sec/100ml): 55
- Ash Content: <0.007%
- Thickness: ~0.22 mm
- Weight(g/m²): 85 g/m²
- Heavy Metals: Below Detection Limits
- Application: Soil/precipitate analysis, gelatinous precipitates
Applications
- Gravimetric analysis in food and chemical industries
- Elemental determination in fertilizers, soil, animal feed
- Sample preparation in pharmaceuticals, sugar, dairy, and cement industries
- Oil composition analysis
- Contaminant and impurity detection in water analysis
(Omicron Scientific's brand alternative to Whatman's 1441-125)