Description
Specifications Table
Product Name – Whatman ME25/31 Membrane Filter
Quantity/Pack Size – 50MM, 0.45uM (Pack of 100)
Form – Circular Membrane Disc
Grade – Mixed Cellulose Ester (MCE)
Application – Sterile Filtration, Particle Retention, Clarification
Product Overview
The Whatman ME25/31 membrane filter is a high-performance mixed cellulose ester (MCE) filter designed for precise laboratory filtration applications. With a 0.45?m pore size, it effectively retains fine particles, bacteria, and other contaminants, ensuring sterile and clear filtrates. The 50mm diameter makes it compatible with standard filtration setups, while the mixed cellulose ester composition provides high flow rates and low extractables, minimizing sample interference. This filter is widely used in microbiology, environmental testing, and general lab procedures where reliable particle removal is critical. Its consistent pore structure guarantees uniform filtration, reducing variability in experimental results. The pack of 100 ensures cost-effective bulk usage for frequent lab work. Whether for routine sample preparation or critical research, this membrane filter delivers dependable performance with minimal maintenance, making it a staple in research and academic laboratories.
FAQs
1. What is the pore size of the Whatman ME25/31 membrane filter?
The Whatman ME25/31 membrane filter has a pore size of 0.45?m, suitable for retaining bacteria and fine particles.
2. Can this filter be autoclaved for sterilization?
Yes, the Whatman ME25/31 membrane filter can be autoclaved at 121?C for 15 minutes without compromising its integrity.
3. Is this filter compatible with aqueous and organic solvents?
The mixed cellulose ester composition allows compatibility with most aqueous solutions and some organic solvents, but always verify solvent resistance for specific applications.
4. How should I store unused filters to maintain their performance?
Store the filters in a cool, dry place in their original packaging to prevent contamination and maintain filtration efficiency.
5. Are there alternatives to this filter for finer particle retention?
For finer particle retention, consider Whatman filters with 0.22?m or 0.1?m pore sizes, depending on your specific filtration needs.
