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- Syringe filters (combi), CHROMAFIL Xtra GF / PTFE, 25 mm, 1 µm / 0.2 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)!
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Sterile
No
Brand
CHROMAFIL Xtra
Housing type
Wheel-like shaped housing
Inlet
Luer lock (top)
Membrane diameter
25 mm
Outlet
Luer tip (bottom)
Color code (top)
Labeled
Color code (bottom)
Colorless
Sample volume
5-100 mL
Filtration area
4.91 cm²
Code type
Labeled
Dead volume
80 µL
Method
Filtration
Recommended application(s)
Very resistant towards all kinds of solvents as well as acids and bases
Binding capacity (proteins)
Moderate–high
Recommended application(s)
Inert filter
Recommended application(s)
For solutions with high loads of particulate matter or for highly viscous solutions (e.g., soil samples, fermentation broths)
Membrane pore size
1 µm / 0.2 µm
Type
Syringe filter (combi)
Hardware
Polypropylene (PP) housing with filter membranes
Membrane type
Combi - Glass fiber (GF) / Polytetrafluoroethylene (PTFE)
Membrane properties
Hydrophilic - hydrophobic
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