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- Whatman Nylon membrane filters
Whatman Nylon membrane filters
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£97.52 excl. VAT
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£117.02 inc. VAT
Nylon Membranes
Suitable for filtering both aqueous solutions and most organic solvents.
- Autoclavable at 121°C
- Withstands temperatures up to 135°C
- Flexible, durable and tear resistant
- Easy to handle
- Hydrophilic
- Good chemical resistance
- Low extractables
Polyamide Membranes
Whatman polyamide membranes are made from pure polyamide making them the universal filter for clarification and sterile filtration.
- Polyamide membrane filters are mechanically very strong and exhibit excellent wet strength and dry strength
- They are hydrophilic making them suitable for aqueous and organic solutions
- The membrane filters can be used up to 135ºC
Guide to…Membrane Filter Properties
Identifying the filter material most suitable for your application based upon the nature of the liquid or gas you are filtering will ensure the best performance of your filter. Each membrane filter material has differing chemical and physical properties such as hydrophobicity, flow rate, extractables and protein retention making them suited to differing applications. Once you have selected the most compatible filter material, you will need to consider what pore size is most appropriate.
| Membrane Material | Protein binding | Hydrophilic/Hydrophobic | Chemical resistance | Applications |
| Hydrophilic PTFE | Low | Hydrophilic | High | Purification of HPLC organic and solvent/aqueous solutions |
| Hydrophobic PTFE | Low | Hydrophobic | High | Filtration of solvents |
| PES | Low | Hydrophilic | Low/Medium | Purification of tissue culture solutions, buffers |
| PVDF | Low | Hydrophilic | Medium | Filtration of protein solutions |
| NYL | Medium | Hydrophilic | Medium | Filtration of aqueous and solvent/aqueous mixtures |
| CA | Low | Hydrophilic | Low | Filtration of protein solutions |
| CN | High | Hydrophilic | Low | Filtration of aqueous solutions where protein binding is not a concern and microbioloigical applications. |
| RC | Low | Hydrophilic | Medium | Filtration of aqueous and organic solvents and protein recovery applications. |
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