Syringe filter (combi), CHROMAFIL Xtra GF / PTFE, 1 µm / 0.45 µm
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 polytetrafluoroethylene membrane as main filter. The hydrophobic PTFE membrane is very resistant towards all kinds of solvents as well as acids and bases. Flushing with alcohol, followed by water, makes the originally hydrophobic membrane more hydrophilic. Labeled for method validation and certification. All CHROMAFIL filters are autoclavable (121 °C and 1.1 bar for 30 min)!
| Binding capacity (proteins) | Moderate–high |
|---|---|
| Brand | CHROMAFIL Xtra |
| Code type | Labeled |
| Color code (bottom) | Colorless |
| Color code (top) | Labeled |
| Dead volume | 80 µL |
| Effective filtration area* | 3.8 cm² |
| Effective membrane diameter* | 22 mm |
| Filter type | 25 mm |
| Gross weight (incl. packaging) | 362.5 g / 0.8 lbs |
| 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 - hydrophobic |
| Membrane type | Combi - Glass fiber (GF) / Polytetrafluoroethylene (PTFE) |
| Method | Filtration |
| Outlet | Luer tip (bottom) |
| Packaging dimensions | 119 x 116 x 154 mm / 4.69 x 4.57 x 6.06 Inch |
| Recommended application(s) | For solutions with high loads of particulate matter or for highly viscous solutions (e.g., soil samples, fermentation broths), Inert filter, Very resistant towards all kinds of solvents as well as acids and bases |
| Remark | *Standardized measurement since Mai 2023. The product has not been modified. |
| Sample volume | 5-100 mL |
| Sterile | No |
| Storage temperature | 15–25 °C / 59–77 °F |
| Type | Syringe filter (combi) |
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