It is mainly used in tissue culture media and biological fluids for separation and purification of large volume samples. The whole set includes membrane diaphragm, a graduated, transparent polystyrene funnel connected to a receiving bottle by a connector. The disposable vacuum filter utilizes a vacuum pump to provide pressure differentials for processing large volumes of tissue culture fluids and other laboratory fluid solutions and the volume of processed samples could be up to several liters. The filtered samples can be stored directly in sterile collection bottles.
Features
- High flow rates and high throughput
- Precise graduation on the bottle wall
- Various specifications：Membrane materials include: PES, PVDF、CA、MCE ; Volume: 250ml、500ml and 1000ml
- Low protein binding
- Gamma-ray sterilization
- Filter diameter: 250ml volume for the 50mm membrane diameter 500ml volume for the 90mm membrane diameter.
- The design of hose connector is adaptable to various hose diameters.
- Light weight and firm outer wall structure, easy to grasp
| Membrane Type | Features | Application Direction | Cautions |
| PES | Low protein adsorption, high flow rate, wide PH range, high chemical compatibility, good heat resistance | For general culture media and aqueous solutions, polar or middle-polar solvents, neutral aqueous solutions |
Should not be used for chloroform, esters, amides and strong acids or strong bases. |
| PVDF | Wide practicability, good oxidation resistance and heat resistance | May be used for aqueous solutions and most solvents, including strong non-polar solvents. Ideal for preparations of HPLC and GC | Should not be used for strong acids and bases |
| MCE | Strong chemical compatibility and low protein adsorption, the optimum pH range is 3-6; | Used for particle analysis of general culture media and aqueous solutions. HPLC sample preparation. | The set should not be used for the filtration of ethanol and alkaline solutions. The working temperature should not be over 40℃ |
| CA | High flow rate and heat stability as well as very low adsorption, stable within the range of pH 4-8. | It may resist most alcohols and oils, and is suitable for sterling filtration of aqueous solutions, buffers, serum and culture media, as well as filtration of the moving phase of HPLCD. | The CA membrane may accommodate a smaller volume of buffer since it has low hydrophilia. |
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