Membrane filters consist in a microporous films having a specific porosity which can be used to retain components (particles and microorganisms) with larger pore size compared to the membrane. Table below presents an overview of SiliCycle Membrane Filters specifications and typical applications.
| SiliCycle Membrane Filters Overview |
|||||
|---|---|---|---|---|---|
| Characteristics | Nylon | Polytetra-fluoroethylene (PTFE) |
Polyvinylidene Fluoride (PVDF) |
Polyethersulfone |
Regenerated Cellulose (RC) |
Membrane Specifications
|
|||||
| Hydrophilic / Hydrophobic | Hydrophilic | Hydrophobic* | Hydrophilic | Hydrophilic | Hydrophilic |
| Extractable level | Extremely low |
Low |
Low | Low | Low |
| Membrane Specifications | |||||
| Chemical resistance | Very good |
Higher resistance |
Good | Lower resistance | Good |
| pH stability range | 3 - 12 |
1 - 14 |
1 - 14 | 1 - 14 | 3 - 12 |
| Autoclavable | Yes |
Yes |
Yes | Yes | Yes |
| Protein binding capacity | Medium |
Low |
Very low | Medium | Very low |
| Typical Applications: Sample Preparation prior to... | |||||
| GC analysis | Preferred |
Alternative |
- | Alternative | Alternative |
| HPLC analysis | Preferred |
- |
- | - | - |
| ICP-MS or AAS analysis | Preferred | - | - | Preferred | Alternative |
| Ion chromatography | - | - | - | Preferred | - |
| Typical Applications: Solvent Filtration & Sterilization of... | |||||
| Agressive solutions | Alternative | Preferred | - | - | Alternative |
| Aqueous solutions | Preferred | - | - | - | Alternative |
| Organic solutions | Preferred | - | - | - | Alternative |
| Typical Applications: Filtration & Sterilization for... | |||||
| Biomolecules analysis | Alternative | - | Preferred | Preferred | Alternative |
| Clinical & forensic analysis | - | - | - | Preferred | Alternative |
| Environmental analysis | Preferred | Preferred | - | - | Alternative |
| Food & beverage analysis | Preferred | Preferred | - | - | Alternative |
| Venting Applications | - | Preferred | - | - | - |
* Hydrophilic character in presence of alcohol and water. |
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Phone: +1 418.874.0054 / Toll Free: +1 877.745.4292 (North America only)
Fax: +1 418.874.0355 E-mail: info@silicycle.com
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