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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 polyester (polyethylene terephthalate) membrane as main filter. The hydrophilic multipurpose PET membrane is suitable for polar as well as nonpolar solvents. It is the HPLC filter, especially suited for mixtures of water and organic solvents. All CHROMAFIL filters are autoclavable (121 °C and 1.1 bar for 30 min)!
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Sterile
No
Housing type
Wheel-like shaped housing
Inlet
Luer lock (top)
Recommended application(s)
HPLC, especially suited for mixtures (mid-polar) of water and organic solvents
Recommended application(s)
TOC/DOC (ppm) determinations
Membrane diameter
25 mm
Outlet
Luer tip (bottom)
Sample volume
5-100 mL
Filtration area
4.91 cm²
Dead volume
80 µL
Method
Filtration
Recommended application(s)
General purpose HPLC columns packed with particles > 3 µm, GC, SFC
Binding capacity (proteins)
Moderate–high
Brand
CHROMAFIL
Color code (bottom)
Orange
Code type
Color coded
Type
Syringe filter (combi)
Hardware
Polypropylene (PP) housing with filter membranes
Membrane type
Combi - Glass fiber (GF) / Polyester (PET)
Membrane properties
Hydrophilic - hydrophilic
Membrane pore size
1 µm / 0.45 µm
Recommended application(s)
Suitable for aqueous, polar, hydrophilic as well as nonpolar samples, organic, hydrophobic solvents with high particle-load
Color code (top)
Black
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