CA Filter Membrane
1.Pore sizes: 0.1μm, 0.22μm, 0.45μm, 0.8μm, 1.0μm, 3.0μm, 5.0μm;
2.Diameter: 13mm, 25mm, 47mm, 50mm, 60mm, 90mm, 142mm, 150mm, 200mm, 293mm, 300mm;
3.Width: 280mm;
4.Thicknes:90-110μm;
5.Chemical Compatibility:for aqueous samples.
Availability: In Stock
Description of CA Filter Membrane
A CA filter membrane typically refers to a membrane filter made from cellulose acetate (CA). Cellulose acetate is a type of synthetic polymer derived from cellulose, a natural polymer found in plants. Cellulose acetate membranes are commonly used in various filtration applications, including laboratory and industrial processes.
Advantages
- Chemical Compatibility: CA filter membranes are compatible with a wide range of chemicals, making them suitable for filtering solutions with various compositions.
- Biocompatibility: These membranes are often used in biological and pharmaceutical applications because they are biocompatible, meaning they do not introduce harmful substances that could interfere with biological processes.
- Low Protein Binding: CA membranes typically have low protein binding properties, which is important when filtering solutions containing proteins or biomolecules to minimize sample loss.
- High Flow Rates: Cellulose acetate membranes have relatively high flow rates, making them efficient for filtration processes.
- Microbial Filtration: They are commonly used for sterile filtration, where they help remove microorganisms such as bacteria and fungi from liquids.
- Pore Size Options: CA filter membranes are available in various pore sizes, allowing for customization depending on the specific filtration requirements.
- Applications for CA filter membranes include the filtration of aqueous solutions, culture media, pharmaceuticals, and many other substances where a controlled separation of particles or microorganisms is needed.
Features of CA Filter Membrane
- Biocompatibility: Cellulose acetate is known for its biocompatibility, making it suitable for applications involving biological samples, such as protein purification, sterile filtration, and DNA/RNA filtration.
- Chemical Resistance: CA membranes are resistant to a wide range of chemicals, including acids, bases, and most organic solvents, making them versatile for various filtration tasks.
- Hydrophilic Nature: CA membranes are hydrophilic, which means they are readily wet with aqueous solutions. This property allows for efficient filtration of aqueous samples without the need for pre-wetting.
- Low Protein Binding: CA membranes typically exhibit low protein binding properties, which is crucial for applications like protein filtration and sample preparation in the biotechnology and pharmaceutical industries.
- Pore Size Variety: CA filter membranes are available in a range of pore sizes, from microfiltration to ultrafiltration, allowing precise filtration based on the desired particle or molecule size.
- Heat Resistance: They can withstand autoclaving and high-temperature sterilization processes, making them suitable for applications that require sterilization.
- Mechanical Strength: CA membranes have good mechanical strength, making them suitable for pressure-driven filtration methods.
- Improved solvent resistance to low molecular weight alcohols, and better heat resistance relative to sterile gridded MCE filter membrane and MCE filter membrane.
Application:
- Sterile Filtration: CA filter membranes are often used for the sterilization of culture media, buffers, and other aqueous solutions in laboratory settings to prevent microbial contamination.
- Protein Purification: Their low protein-binding properties make CA membranes suitable for protein purification applications. They help retain the proteins of interest while minimizing sample loss.
- DNA and RNA Filtration: CA membranes are used to remove unwanted particles and impurities from DNA and RNA samples, ensuring high-quality genetic material for downstream applications like PCR and sequencing.
- Microbiological Analysis: In microbiology, CA membranes are employed for microbial colony counting and examination of water quality, where they trap bacteria or other microorganisms.
- Pharmaceutical Filtration: CA filter membranes are used in the pharmaceutical industry for applications such as drug formulation, sterile drug preparation, and quality control processes.
- Food and Beverage Industry: CA membranes are utilized in food and beverage processing to remove particles, microorganisms, and other impurities from liquids such as juices, wine, and beer.
- Environmental Monitoring: CA membranes are employed to filter water samples in environmental monitoring to analyze pollutants, microorganisms, and particulate matter.
- Chemical Filtration: CA membranes can be used in the filtration of chemicals, solvents, and reagents to remove impurities and ensure the purity of the final product.
- Oil and Gas Industry: In the oil and gas sector, CA membranes are used for water purification, including the removal of oil and solids from produced water.
- Air Filtration: CA membranes are used in some air filtration systems to capture particles and impurities, improving indoor air quality.
Scanning Electron Microscope Picture
Technical Data
| Filter Media | Hydrophilic CA | |
| Pore Size | 0.1μm, 0.22μm, 0.45μm, 0.8μm, 1.0μm, 3.0μm, 5.0μm | |
| Diameter(Disc) | 13mm, 25mm, 47mm, 50mm, 60mm, 90mm, 142mm, 150mm, 200mm, 293mm, 300mm | |
| Width(Roll) | 280mm | |
| Bubble Point | ≥0.31MPa(0.22μm) | ≥0.15MPa(0.45μm) |
| Flow Rate @23°C, H2O | ≥10mL/min/cm2@1 bar(0.22μm) | ≥20mL/min/cm2@1 bar(0.45μm) |
| Thicknes | 90-110μm | |
| pH Range | 3.5-8 | |
| Chemical Compatibility | Ideal for aqueous samples | |
| Maximum Operating Pressure | 4.2 bar@23°C | 1.5 bar@85°C |
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