Syringe filter (combi), CHROMAFIL GF / PVDF, 1 µm / 0.45 µm
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Combi syringe filters are recommended for solutions with a high load of particulate matter or for highly viscous solutions. These products combine a coarse glass fiber prefilter and a small-pore polyvinylidene difluoride membrane as main filter. The hydrophilic PVDF membrane is for 100 % aqueous samples, water-soluble oligomers and polymers like proteins. All CHROMAFIL filters are autoclavable (121 °C and 1.1 bar for 30 min)!
| Binding capacity (proteins) | Moderate–high |
|---|---|
| Brand | CHROMAFIL |
| Code type | Color coded |
| Color code (bottom) | White |
| Color code (top) | Black |
| Dead volume | 80 µL |
| Effective filtration area* | 3.8 cm² |
| Effective membrane diameter* | 22 mm |
| Filter type | 25 mm |
| Hardware | Polypropylene (PP) housing with filter membranes |
| Hazardous material | No |
| Housing type | Wheel-like shaped housing |
| Inlet | Luer lock (top) |
| Membrane pore size | 1 µm / 0.45 µm |
| Membrane properties | Hydrophilic - hydrophilic |
| Membrane type | Combi - Glass fiber (GF) / Polyvinylidene difluoride (PVDF) |
| Method | Filtration |
| Outlet | Luer tip (bottom) |
| Recommended application(s) | HPLC columns packed with particles > 3 µm, GC, SFC, Suitable for 100 % aqueous, polar, hydrophilic samples with low particle-load |
| Remark | *Standardized measurement since Mai 2023. The product has not been modified. |
| Sample volume | 5-100 mL |
| Selling unit | 100 pieces, 400 pieces |
| Sterile | No |
| Storage temperature | 15–25 °C / 59–77 °F |
| Type | Syringe filter (combi) |
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