Description
Specifications Table
| Product Name | Whatman ME28 Membrane Filter | 10400806 |
|---|---|
| Pack Size | 25MM, 1.2uM (Pack of 100) – 47MM, 1.2uM (Pack of 100) – 50MM, 1.2uM (Pack of 100) – 100MM, 1.2uM (Pack of 50) |
| Form | Membrane Filter |
| Grade | ME28 |
| Application | Microbial analysis, particle retention, sterile filtration |
Product Description
The Whatman ME28 Membrane Filter | 10400806 is a premium-quality hydrophilic mixed cellulose ester (MCE) membrane filter designed for reliable laboratory filtration, microbiological analysis, and analytical sample preparation. Featuring a 1.2 µm pore size and a 25 mm diameter, this non-sterile membrane combines cellulose nitrate and cellulose acetate to provide uniform pore distribution, excellent flow characteristics, and dependable particle retention for routine laboratory applications.
Manufactured to Whatman’s stringent quality standards, the ME28 membrane delivers low extractable levels, high mechanical strength, and consistent batch-to-batch performance. The hydrophilic membrane readily wets with aqueous solutions, making it suitable for microbiological testing, particulate analysis, gravimetric studies, environmental monitoring, pharmaceutical quality control, and research applications. Its precisely controlled pore structure ensures reproducible filtration while maintaining sample integrity.
The 10400806 variant is supplied as 25 mm diameter, 1.2 µm pore size, non-sterile membrane discs in packs of 100. Compatible with standard laboratory filtration assemblies, the membrane is ideal for sample clarification, microorganism collection, particulate retention, and routine laboratory filtration where reliable analytical performance is required.
Key Features
- Mixed Cellulose Ester (MCE) hydrophilic membrane filter.
- 1.2 µm pore size for reliable particle retention.
- 25 mm diameter compatible with standard filtration holders.
- Uniform pore structure for reproducible filtration.
- Low extractable content minimizes sample contamination.
- Excellent flow rate and mechanical strength.
- Non-sterile membrane for general laboratory applications.
- Suitable for pharmaceutical, microbiology, research, and quality control laboratories.
Why Choose Whatman ME28 Membrane Filter?
The Whatman ME28 Membrane Filter is trusted worldwide for its consistent filtration performance, controlled pore size distribution, and reliable analytical accuracy. Its hydrophilic MCE construction offers an excellent balance of flow rate and particle retention, making it an ideal choice for routine laboratory filtration and microbiological applications.
Applications
- Microbiological Analysis
- General Laboratory Filtration
- Sample Preparation
- Pharmaceutical Quality Control
- Environmental and Water Testing
- Gravimetric Analysis
- Research and Development Laboratories
- Educational Institutions
Storage & Handling
- Store in the original sealed packaging in a cool, dry place.
- Protect from moisture, dust, and direct sunlight.
- Handle with clean gloves or forceps to avoid contamination.
- Use with compatible membrane filtration assemblies.
- For laboratory and research use only.
The Whatman ME28 Membrane Filter | 10400806 provides reliable filtration, consistent pore structure, and dependable analytical performance. It is an excellent choice for pharmaceutical, environmental, microbiology, industrial, and research laboratories requiring high-quality mixed cellulose ester membrane filters.
FAQs
1. What is the Whatman ME28 Membrane Filter used for?
It is used for microbiological testing, laboratory filtration, sample clarification, particulate analysis, environmental monitoring, pharmaceutical quality control, and routine analytical applications.
2. What are the pore size and diameter of this membrane filter?
The Whatman ME28 Membrane Filter features a 1.2 µm pore size and a 25 mm diameter, making it suitable for standard laboratory filtration systems.
3. What material is the ME28 membrane made from?
The membrane is manufactured from a hydrophilic mixed cellulose ester (MCE) blend of cellulose nitrate and cellulose acetate, providing excellent flow characteristics and reliable particle retention.
4. Is the Whatman ME28 Membrane Filter supplied sterile?
No. The 10400806 variant is supplied as a non-sterile membrane filter for general laboratory and analytical applications.
5. How should the membrane filters be stored?
Store the membrane filters in their original sealed packaging in a clean, dry environment away from moisture, dust, and direct sunlight. Handle with clean gloves or forceps to maintain membrane integrity and performance.
