Description
Specifications Table
Product Name – Whatman ME27/21 STL Membrane Filter
Quantity/Pack Size – 50MM, 0.8µM (Pack of 400)
Form – Circular Membrane Disc
Grade – Analytical
Application – Sterile Filtration, Particle Retention, Microbiological Analysis
Product Overview
The Whatman ME27/21 STL membrane filter is engineered for high-performance filtration in laboratory settings, combining durability with precision. Constructed from mixed cellulose esters, this 0.8µm pore size filter ensures efficient retention of particles, bacteria, and contaminants while maintaining optimal flow rates. Its 50MM diameter makes it compatible with standard filtration apparatus, providing versatility for diverse applications. The membrane’s hydrophilic nature allows for rapid wetting, reducing processing time without compromising integrity. Designed for consistency, each filter undergoes rigorous quality control to meet analytical-grade standards, ensuring reproducibility in critical experiments. The pack of 400 offers cost-effective bulk supply, ideal for high-throughput labs. Its sterile packaging preserves purity until use, minimizing cross-contamination risks. Whether used for liquid or gas filtration, this filter delivers reliable results, making it a staple in research and quality control environments.
FAQs
1. What is the pore size of the Whatman ME27/21 STL membrane filter?
The pore size is 0.8 micrometers, optimized for retaining fine particles and microorganisms.
2. Can this filter be used for both liquid and gas filtration?
Yes, it is suitable for sterile filtration of liquids and gases, provided compatibility with the medium.
3. What material is the membrane made from?
The membrane is composed of mixed cellulose esters, balancing strength and filtration efficiency.
4. How should these filters be stored to maintain sterility?
Store in a cool, dry place in their original packaging until use to prevent contamination.
5. Are these filters compatible with standard filtration units?
Yes, the 50MM diameter fits most standard filtration holders and manifolds.
