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They are therefore recommended for the filtration of aqueous solutions as well for protein filtration. Furthermore- the low level of extractables makes them suitable for environmental analysis.
The white and hydrophilic polycarbonate track-etched membrane filters are manufactured from high grade polycarbonate film using track-etched technology.
The regenerated cellulose membrane filters are made of regenerated cellulose reinforced with a cellulose nonwoven.
The cellulose nitrate (CN) or also called mixed cellulose ester (MCE) membrane filters are composed of cellulose nitrate and a small content of cellulose acetate. They are recommended for a broad range of applications like the filtration of aqueous solutions or for sample preparation.
The hydrophobic PTFE membrane filters are made of polytetra-fluorethylene (PTFE) only and are therefore permanently hydrophobic. Unlike hydrophilic filter types, they are not wetted by air humidity.
Top Features of Cellulose Acetate Membrane Filters
- High flow rates and thermal stability
- Excellently suited for pressure filtration devices
- Compatible with aqueous solutions, oils, alcohols and other organic solvents
Popular Applications for Cellulose Acetate Membrane Filters
- Filtration of aqueous solutions
- Solvent filtration mixtures
- Clarification
Polyamide membrane filters are hydrophilic and chemical resistant to alkaline solutions and organic solvents.